Aero Saf-T-Blok Standard Sae

Helps thousands of mechanics by taking the headaches and hassle out of drilling safety wire holes in bolts and nuts. Easy to use; Saf-T-blok holds the bolt steady after you thread it into the required depth. You then drill the hole through the center with no risk of misalignment.

Note: Used for drilling into shank.

Dimensions: .750X4X4