Godfrey Premium Collar Zinc 2 3/4” – Marine Shaft Anode for Corrosion Protection
SKU: 72173291963

Godfrey Premium Collar Zinc 2 3/4” – Marine Shaft Anode for Corrosion Protection

$132.66 $147.40
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Description

Godfrey Premium Collar Zinc 2 3/4” – Marine Shaft Anode for Corrosion ProtectionGodfrey Premium Collar Zinc 2 3 4 is a marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. This collar zinc installs directly onto the shaft and reliably protects against corrosive electrolytic currents in saltwater environments. Zinc sacrificial anodes work by sacrificing their own material to prevent corrosion of more valuable metal parts such as the propeller, shaft, and nearby hardware.

Godfrey Premium Collar Zinc 2 3/4” is a marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. This collar zinc installs directly onto the shaft and reliably protects against corrosive electrolytic currents in saltwater environments.

Zinc sacrificial anodes work by sacrificing their own material to prevent corrosion of more valuable metal parts such as the propeller, shaft, and nearby hardware. This significantly reduces electrolysis damage and helps extend the lifespan of essential boat components. Collar design anodes are specifically made for direct shaft mounting and effective cathodic protection.

The robust collar design ensures a secure and tight fit around the shaft, while the high‑quality zinc construction delivers consistent performance even in harsh marine conditions. The two‑piece structure allows for easy installation and maintenance without removing major parts.

Benefits of Godfrey Collar Zinc:

  • Protects propeller shaft from corrosion and electrolysis
  • Extends lifespan of marine equipment
  • Secure collar fit for reliable protection
  • Easy installation and replacement
  • Designed for saltwater marine use

Why choose Godfrey zincs:
Godfrey marine zincs are known for durability and consistent performance. Built for demanding marine environments, they provide dependable corrosion protection for both recreational boats and commercial vessels.

Who it is for:

  • Boat owners
  • Marine technicians
  • Commercial fishing operations
  • Anyone maintaining shaft‑driven vessels

How to use:
Install the collar zinc directly onto the propeller shaft and tighten securely. Inspect regularly and replace when significantly worn.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 72173291963

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4.6 ★★★★★
Based on 2076 reviews
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Spiky
Lexington, US
★★★★★ 4
great scale (read tips for its super sensitivity)
Color: Onyx Black, Color: Onyx Black
in hopes this will help anyone else who bought this scale- this thing is super sensitive to vibrations. if your scale is getting off calibration for seemingly no reason, make sure the sides and the back aren’t touching anything else and that the bottom is on a flat surface and it will fix it entirely, trust me!! but aside from that, this scale works absolutely perfectly. it’s just the right size for my morning coffee, has great battery life, and is really straightforward to use. plus the silicone top makes it really easy to clean and looks nice on my countertop. the timer is super convenient for making coffee, this is an amazing scale for this price point
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Reviewed in the United States on October 13, 2025
S
Verified Purchase
SW
Belleville, US
★★★★★ 5
1 year review: Excellent coffee scale
Color: Onyx Black
I bought this about a year ago and have used it daily ever since. The scale is easy to read, fast to update, and is precise. My previous coffee scale cracked from the repeated heating from my v60 carafe even with a silicone pad within 6 months. This scale has endured and I'm quite happy with it's durability. It's accurate and precise enough I actually use it with my bread machine as well. It's a nice, low weight scale overall. Cleaning is fairly easy, I just wipe down with a damp cloth. You can pull the silicone pad off and wash it more thoroughly if you want. My only down side is that I find the batteries drain a little quickly. My normal kitchen scale can last years on a button battery, while I usually have to replace the batteries here every 6 months. I don't use the scale for more than 3-4 minutes at a time daily and once or twice a week a second time per day, and whether the battery life is due to the brightness of the display or the polling frequency of the scale, it's a minor enough quibble to not ding it's rating. It's not a cheap scale, but it appears to be one of those "buy once for a long time" investments. If you're serious about coffee dosing and measuring your water for pour over, it's easy to recommend.
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Reviewed in the United States on July 7, 2025
J
Verified Purchase
Julia G
Carnegie, US
★★★★★ 5
Excellent coffee scale!
Love this scale! The display is pleasing, high-contrast and very clear. It has a silicone cover, and there are zero gaps around the screen and buttons, so it's easily cleaned and I don't worry about damaging the internals with water or crumbs. There is a tiny bit of float, typically less than a gram, and only occasionally. For example, I'll weigh out 19.3g of beans, seal the bag, and come back to 18.9g. It's minor enough and infrequent enough that it doesn't concern me at all. The readout is quick and responsive, and I love the timer. At first it seems a little confusing to switch between counting up and counting down, but after doing it once I have no trouble with it even half-asleep. Just hold the units button, press it again to change between modes, and use power & tare to set minutes and seconds if counting down (use play/pause to confirm each setting). Takes less than 10 seconds. Overall it's quick, accurate, and well-made. I love that it has a much smaller footprint than my old kitchen scale, and looks sleek on the counter. Perfect addition to my coffee station! I also highly recommend their gooseneck kettle if you're in the market ☕
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Reviewed in the United States on March 7, 2025
A
Verified Purchase
Abby Miller
Omaha, US
★★★★★ 5
Wobby? Fixable!
Color: Onyx Black, Color: Onyx Black
After a year and half of excellent performance, the platter became more and more wobbly but the readings were consistent. Finally, it was too wobbly and the readings were erratic. There was no obvious way to try to fix it and I couldn't find any help online. I wrote to Greater Goods customer service. While I was awaiting a reply I could barely see that there was a screw inside that appeared to connect to the back right behind the paper label. I pressed on the label, and it broke through to reveal...two screws! I tightened them both and my scale is back in action just like new! It's ready for years of upcoming service. If your unit starts to wobble, it's almost certainly fixable this way. Oh, and Urmila from customer service just reached out and I gave them the good news.
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Reviewed in the United States on May 5, 2026
C
Verified Purchase
Chris C.
Port Orchard, US
★★★★★ 5
works great
Size: EK6002
i've had it for a couple of weeks now, and i will say, it works well. calibration isn't in the instructions, but, if you hit and hold all 4 buttons when you turn it on, after it says hello, it will enter cal mode. pressing unit advances to the next screen, which is the auto shut off time. if you turn off the power, or use all 4 buttons to reset it, it does not seem to save, so you will have to purchase calibration weights in order to change it. after setting the auto shutoff, it then lists the 3000 g, which is the max weight. it seems you can change it, but i haven't tried. the next shows random numbers, seemingly the raw value of the scale sensor, then it goes through asking for a 500g calibration weight, and after that, a 2000g calibration weight. the 1000g weight doesn't seem to be necessary. after calibration, the scale seems to do pretty well with the calibration weights. weighing in the center and in the corners seem to be repeatable, although it may be a little off at the very edges or corners. the mat that goes on top of the scale has a hangover on the left side, which helps keep it in place, but it can slide up and down. using the scale to measure liquid, it seems to refresh quick enough to easily allow you to gauge when to stop, although, it may depend on how quickly you pour. one thing to note, the precision mentioned in the description. this scale is accurate to 0.1g from 0-500g, 0.5g from 501-1000g, and 1g from 1001-3000g. this isn't over the weight range of the scale exactly, but rather over the displayed weight. meaning, if you decided to weigh pour over or something, in something heavy (or a collection of things), if you tare out the weight (zero it out to measure the difference), it will still display the first 500g up to 0.1g accuracy. that makes the 3000g limit of the scale much more useful. lastly, this is a rebranded scale...many make the same scale under a different brand. i can't remember which combination of buttons it was, but if you held 2 buttons at the same time, it would bring up a muted speaker (no sound) icon, even though this scale doesn't have sound to begin with. i'm very happy with this scale. the price was good, and realizing that the 0.1g accuracy works up to 500g after taring is great. i used it to measure the water and ice in my 64 oz yeti, to figure out how much water i was actually drinking (got very close to the limit of 3000g).
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Reviewed in the United States on June 26, 2024

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