For For corrosion protection of Shafts and running gear.
Shaft Diameter (ID): 2-3/4″
Length: 3-5/8″
Outside Diameter (OD): 4-3/4″
EMP Zinc anodes conform to Mil-Spec: MIL-A-18001K

also crosses with:
Canada Metals CMX12
Performance Metals C7250Z
Technoseal 00520USA
Camp X-12
Reliance MDX-12