Features 1、The plastic insert inside the socket protects the front of the chrome wheel nut. 2、Suitable for impact use, ideal for garage use. The perfect tool for professional or DIY use. 3、The surface is anodized to provide corrosion resistance and high strength. 4、Suitable for any 1 / 2inch driver ratchet /bars, etc., including 3 sizes of 17mm/0.67in, 19mm/0.75in, 21mm/0.83in. 5、Supplied in a blow molded storage case for easy storage and transportation. Specification Condition: 100% Brand New Item Type: Impact Socket Material: Alloy Steel Color: Yellow, Blue, Red Drive Size: 1/2in System of Measurement: Metric Socket Type: Impact Caliber: Approx. 17mm/0.67in, 19mm/0.75in, 21mm/0.83in Surface Finish: Chrome Quantity: 3 Tools Included: Sockets Set or Single Item: Set Package List 3Pcs/Set x Impact Socket