Item Type: Air Wrench Adapter_x000D_ Product Material: Steel_x000D_ System: Metric_x000D_ Application: Suitable for electric and pneumatic tools 1Wrench Adapter: This pneumatic wrench universal adapter enables free rotation for simple and efficient working. 2Good Material: Through heat treatment, the chromium molybdenum steel has high hardness and durable with impact. 3Reliable Uses: Thickened design suits for both electric and pneumatic tools, can also withstand large torsion. 4Excellent Craft: Phosphating treatment with surface polishing guarantees excellent durability against corrosion. 5Easy to Install: Comes with small size and light weight, the convenient installation can be quickly completed.1 x Air Wrench Adapter