Unlock the full potential of your tasks with the trusted quality of 2pcs Unified thread ring gauge set Fine Screw Gauges UN UNC UNF 1" 1-1/16 1-1/8 1 - 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16. Features a user-friendly interface for smooth and hassle-free experiences. See the full range at Ihmoehy.baby — delivered securely to your door.