Features: <br>This is a set of 4 pieces socket adapters specially designed for impact driver or wrench conversions. <br>Spring-loaded detent balls securely latch onto sockets, preventing them from being dropped. <br>Constructed of heavy duty heat treated chrome vanadium steel for superior strength to endure all conditions. <br>With highly durable electrophoresis black coating finish, it is corrosion resistant to eliminate chance of rust for a long lasting time. <br>Common size combinations multiply the range and capability of many socket set. <br> <br>Specifications: <br>Condition: 100% Brand New <br>Material: CRV Chrome Vanadium Steel <br>Surface Treatment: Electrophoresis, Black Color <br>Size: <br>1/2''-3/8"(12.7mm Female to 9.53mm Male） <br>3/8"-1/4"(9.53mm Female to 6.35mm Male） <br>3/8"-1/2"(9.53mm Female to 12.7mm Male） <br>1/4"-3/8"(6.35mm Female to 9.53mm Male) <br>Quantity: 4Pcs <br>Weight: Approx. 133g <br> <br>Package Included: <br>4 * Socket Adapters<br>1、This is a set of 4 pieces socket adapters specially designed for impact driver or wrench conversions <br>2、Spring-loaded detent balls securely latch onto sockets, preventing them from being dropped <br>3、Constructed of heavy duty heat treated chrome vanadium steel for superior strength to endure all conditions <br>4、With highly durable electrophoresis black coating finish, it is corrosion resistant to eliminate chance of rust for a long lasting time <br>5、Common size combinations multiply the range and capability of many socket set