Each Anvil is 1/2" long. Comes with reinforced holding boot, and will fit on any 1-12" Micrometer.
Anvils are hardened Steel with Black Oxide finish
Fits .235 and .250 spindle diameters
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.