Easy to operate, the Vortex Torque Wrench offers fast tension on a moment's notice. It provides a 1in/lb to 50in/lbs. increments of torque. Now with three new bits to improve compatibility with all Vortex accessories. The following are included in the kit:3/16" Hex bit - Fits Vortex Bobro mounts2.5mm Hex bit - Fits Razor Red Dot3mm Hex bit - Fits Hunter rings, CM-202 and CM-203T15 Torx bit - Fits Viper rings and Tactical ringsT25 Torx bit – Fits PMR rings1/2" Socket - Fits Tactical rings9/64" Hex Bit2mm Hex BitT10 Torx Bit10mm Wide Screwdriver bit – Fits Hunter and Viper clamp bolt1/4" Socket adapter Vortex Optics Vortex Torque Wrench Kit CTW2