Wheeler Screwdriver Upgrade Kit Contains 15 speciality bits, a shaft extention and square to hex adampter Weaver/Ruger Scope Ring Clamp bit, Redfield Windage Screw bit, Leupold Windage Screw bit, Ruger/Colt SA Base Pin Latch Nut bit, 1911 Grip Screw Bushing driver M1/M14/MIA Rear Sight bit, Millett Rear Sight Adjustment bit, Mauser Stock Bolt bit, .062" pin punch, .093" pin punch, .118" pin punch Glock Replacement Front Sight Scew bit, S&W Rebound Spring Compressor Tool, Remington M870/1100/1187 Trigger Plate pin punch, 2" #2 Phillips Great addition to the Wheeler 72 piece set or to add to your 43 piece set