describe: 100% brand new high quality The tool itself has a grinding head. Once the reamer is articulated, it is easy to sharpen it with a grinder for several weeks. If you are skilled, you will not leak without grinding. Very convenient. Description: The tool itself has a grinding head. Once the reamer is articulated, it is easy to grind it with a grinder for several weeks. If you are proficient, there will be no water leakage if it is not grounded. very convenient. Winch Specifications: 20*30, 23*30, 22*58, 22*45, 27*58, 27*45, 26*30, 24*58, 24*45, 31*45 , 31*58, 30*30 Grinding head specifications: 21*4524*4526*4530*45 Reamer head specifications: 5mm and 5.5mm The package includes: 1 x Valve Tool Set Notice: Due to differences between different monitors, the pictures may not reflect the actual color of the item. Thanks!