Pre-ground, parallel-tipped screwdrivers are designed to accommodate specific firearm screw applications. These tools feature a square shank, hardened tips, a square hardwood handle and a nickel-plated ferrule. Manufactured in the USA, they come with a limited warranty. The Pistol smith set includes seven screwdrivers compatible with numerous screws found in Colt, Smith & Wesson, Ruger handguns and various other models.