Features: With this socket wrench, you can save time and effort in disassembly and assembly. Compatible with all heavy-duty tools such as 1/2 (12.5mm) four electric wrenches, ratchet wrenches. Has a strong clamping force. What's more, the two-claw clamping is firm and easy to screw. Made of chrome molybdenum steel, strong overall impact resistance and t orsion. Can be used with a variety of manual power tools, such as, electric wrench, a curved rod, or manual wrench. Specification: Size: 24x24x38.5mm/0.9x0.9x1.5in Type: 1/2 pc Material: steel colour: black Package Contents: 3 x Socket Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Features: With this socket wrench, you can save time and effort in disassembly and assembly. Compatible with all heavy-duty tools such as 1/2 (12.5mm) four electric wrenches, ratchet wrenches. Has a strong clamping force. What's more, the two-claw clamping is firm and easy to screw. Made of chrome molybdenum steel, strong overall impact resistance and t orsion.