High Strength Alloy Steel: Built from tough alloy steel with multilayer electroplated antirust coating, offering rust resistance against and harsh environment Multiple Scenario Application: Perfect for dismantling three stage water stop bolts, scaffolding clamps, steel frames, and I beam brackets in construction projects, enhancing efficiency in maintenance and engineering tasks Multiple Option: Includes 12mm / 14mm / 16mm size option to precisely fit different three stage water stop bolts, making it ideal for scaffolding, steel frames, and other construction fasteners requiring versatile disassembly solution Durability Construction: With high concentricity processing and rubber rings fastening structure for stable operate during water stop bolt removal, tool damage threads while ensuring efficient disassembly Standard 1 / 2 " Drive Interfaces: Compatible for electric wrenches, shock tool, and manual ratchets thanks to its 1 / 2 " drive interfaces, eliminating the need for adapters and maximizing tool versatility on job site, Manufacturer: Hsyzygian