For Volvo Penta 110 saildrives
Outside Diameter: 4-1/8″
Height: 1-3/4″
Hole Distance: 2-9/16″
EMP Aluminum anodes conform to Mil-Spec A-24779(SH)

also crosses with:
Canada Metals CM875812A
Performance Metals 00160A
GLM 12786
Technoseal 00705AL
Reliance AMD-875812