- Wrench tools Suitable for pipe, screw and nut fastening connection, quick disassembly, tightening does not slip -Wrench Self-adjusting technology for nuts and bolts of all sizes and shapes -Wrenches for hand tools Easy to use Comfortable non-slip handle -One-handed with an efficient, practical and lightweight adjustable wrench system< /p> -This socket wrench set is easy to carry and suitable for self-adjusting technology for screws and nuts of all sizes and shapes