Ozzistraightshooter Tap and Die set for CZ452 / BRNO #2 rimfire action.

Thread is M20x1.25 Metric fine.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. Helps cut fine CZ barrel thread on the rimfire action. Suits CZ452, BRNO #2 and other CZ threads Die is 45 mm diameter and 14 mm thick These are top quality tools designed for professional use.