Ozzistraightshooter Tap and Die set for SMALL Ring Mauser

Thread is 0.980 inch x 12 TPI, 55 degree Whitworth style.Top quality High speed steel. Tap is perfect to clean the receiver threads ready for a new barrel.Die will cut barrel thread or clean up your lathe cut thread for a better fit. Die is split with fine adjustment. Die is 50mm diameter. These are top quality tools designed for professional use.