For Engine Anode
NPT Size of Brass Plug: 1/4 NPT
Diameter of Zinc Rod: 3/8″
Length of Zinc Rod: 1-3/4″
EMP Zinc anodes conform to Mil-Spec: MIL-A-18001K

also crosses with:
Canada Metals CME0
Performance Metals CE-0
GLM 12922
Technoseal TEC-E0
Camp E-0C
Reliance MDE-0