Spring-loaded plunger expands within the bore (or groove), allowing determination of the internal diameter (or groove width)
With a knurled clamp

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.75 inch
Height : 0.5 inch
Length : 7.5 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 3.04 ounce (View shipping rates and policies)

ASIN : B0006J428Q