Feature: 1. CR-V manufacturing, overall heat treatment, good toughness and high hardness. 2. Adopt anti-rust and anti-corrosion treatment, not easy to be damaged, long durability. 3. Arc chamfer designed prevents the wrench from jamming and protects the sleeve and the wrench. 4. A set of accessories allows you to buy less wrenches and sleeves, and the sleeve conversion head can also be used in combination. 5. Wide range of application, suitable for car, motorcycle, bicycle and various mechanical maintenance. Specification: Condition: 100% Brand New Item Type: Wrench Adapter Material: Chrome-Vanadium Steel Optional Color: Black, Electroplating Specification: (Instruction: male = male connector, female=female terminal) 1 x male 1/2in to female 3/8in 1 x male 3/8in to female 1/2in 1 x male 3/8in to female 1/4in 1 x male 1/4in to female 3/8in Application: For car repair, furniture repair, motorcycle, bicycle repair. Package List: 1 x Male 1/2in to Female 3/8in 1 x Male 3/8in to Female 1/2in 1 x Male 3/8in to Female 1/4in 1 x Male 1/4in to Female 3/8in Note: The adaptor can also be combined and matched to produce more conversion specifications!!