3M Trizact Belts Grit:P2500 these metal checkering files are

these metal checkering files are parallel in width and gently tapered in thickness for greater control during use

hardened steel punches

For parallel engraving

Designed to drill through hard-to-drill materials such as hardened receivers and hardened knife blades

four brass pins and copper tube

3M Trizact Belts Grit:P2500 these metal checkering files areThese 3M belts are extremely flexible and sharp cutting. Rayon cloth backing and an added aid for cooler grinding make your job easier than ever. Special 'pyramid' structure allows layer upon layer of the grit to expose itself as you grind, resulting in a consistent grind from start to finish. All belts are 2" x 72"