Ultimate Arms Gear M1 M-1 Garand Military Mil Spec Quality Classic WWII Reproduction Buttstock M10 Combo Disassembly & Cleaning Multi Tool High Quality Construction - identical To The Original WWII Issued Fits In The Buttstock Used For Disassembly & Cleaning - A Must Have Tool For Any M1 Garand Owner Great For Removing The Gas Piston Nut, Adjusting The Rear Sight, Removing The Extractor From The Bolt Can Also Be Used As The Handle For The Rod Set