Pre-ground, parallel tipped screwdrivers to fit specific gun screw applications. Features square shank, hardened tips, square hardwood handle, and nickel-plated ferrule. Made in the USA; limited warranty. Pistolsmith Set has seven screwdrivers that fit many Colt, S&W and Ruger handgun screws, and many others. Mfg: Grace Usa SPECS: Steel, blue shank; wooden handle. Set includes (7) screwdrivers with the following dimensions (blade width x blade thickness x OAL): P1 – .080" x .022" x 4.75", P2 – .120" x .025" x 5.5", P3 – .125" x .028" x 6.25", P4 – .150" x .031"