12 Pieces Socket Set: 12 pieces ratchet socket wrench set, including 1 ratchet wrench, 1 extension bar, and 10pcs sockets of varying sizes to meet various auto repair needs.Quick Release: Drive ratchet socket wrench with extension bar, easy to use. Quick release switch, press the switch to quickly install and remove the sockets and connecting rod; Reversible mechanical design.Material: Socket wrench set is made of chromium vanadium steel, which is high in strength, sturdy and practical, not easy to be damaged and has a long life.Easy to Use: Drive socket wrench ratchet control, solve various tasks accurately and easily. Hanging hole design on the handle for easy hanging when not in useWide Application: Quick release ratchet set is faster and more convenient to use, more labor saving, and more flexible to use in small space It is a good tool for car repairs, meeting basic car maintenance and home improvement needs, and has a wide range of applications. Specification: Material: Chrome Vanadium Steel Size Chart: 1/2 (12.5mm) interface Ratchet Wrench, 250mm length ; 12.5mm interface Extension Bar, 125mm length; 10pcs Sockets ( 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm, 21mm, 24mm; 38mm length) Package Includes: 1pc Ratchet Wrench1pc Extension Bar10pcs Sockets Note: Please allow slightly errors 1-2cm differences due to manual measurement.