- Meet ASTM F1807 Standard
- Made of #1045 high quality steel
- Perfect polishing
- For 1/2-inch and 3/4-inch copper ring pressing, crimping in PEX pipe connecting
- Compatible with Sharkbite, Watts, Apollo systems
- Come with GO NO GO gauge and 10pcs 3/4-inch copper ring and 20pcs 1/2-inch copper ring