For For corrosion protection of Shafts and running gear.
Shaft Diameter (ID): 2-1/2″
Length: 4″
Outside Diameter (OD): 4-1/4″
EMP Zinc anodes conform to Mil-Spec: MIL-A-18001K

also crosses with:
Canada Metals CMX11
Performance Metals C2500Z
GLM 26620
Technoseal 00518USA
Camp X-11
Reliance MDX-11