2pcs Hexagonal Socket Extended Electric Bit Electric Power Tool Hex Socket Set Impact Wrench Adapter Extension Sleeve 8mm/10mm*128mm

1.1/2 interface, in line with international standards and common market connector.2.CR-V thin wall is really durable, good material high temperature quenching, beautiful and generous.3. Hexagonal cylinder inner arc design, increase the contact area, convey the standard torque, and effectively protect the bolt is not easy to slip.4. Socket socket hole, with leather ring, pin better fixed on the machine, more firm, not easy to fall off.5. Applicable to electric wrench, pneumatic wrench, manual/ratchet wrench, etc.Specifications:Type: Extended sleeveMaterial: chromium vanadium steelSurface treatment: black phosphatingSize model :8mm/10mmPackage includes: Extension sleeve