1. Material: carbon steel
2. Use: suitable for vehicle maintenance/home maintenance/factory maintenance, etc., with all kinds of ratchet wrenches, L-wrenches, torque wrenches, etc.
3. Carbon steel material forging, wear-resistant and durable
4. Fine workmanship, smooth surface, no burrs, smoother use
5. Various specifications for free choice, 10/12/13/14/15/17/18/19mm diameter
6. It can be used with 3/8-inch (10mm) square head L wrench extension, ratchet wrench
7. Weight: about 174g