Volquartsen Firearms Grip Hardware Set for Ruger MKII/MKIII. These components are designed to work with our Volthane Target Grips. Specifications for Volquartsen Firearms Grip Hardware Set for Ruger MKII/MKIII: Manufacturer: Volquartsen Firearms Additional Features: Includes 4x 6-40 socket head cap screws with washers and short arm hex key wrench Package Contents: Volquartsen Firearms Grip Hardware Set for Ruger MKII/MKIII Volquartsen Firearms VC3GH: Grip Hardware Set for Ruger MKII/MKIII