Actual inside diameter is marked on ring
Made from hardened alloy steel
Use to zero set bore gages, Holtests and inside micrometers

Technical Details

Product Details

Package Dimensions
Width : 2.1 inch
Height : 0.7 inch
Length : 2.2 inch

Shipping Weight: 2.4 ounce (View shipping rates and policies)

ASIN : B002SG7PZC