Feature:【High-quality Materials】The adapter and reducer are made of high-strength, heat-treated industrial grade chrome vanadium steel with corrosion-resistant black oxide layer and are nickel-plated/chrome plated to avoid corrosion and extend the life of the tools for industrial, mechanical or construction work.Spring-loaded ball bearing design: make sure that the socket is held firmly and securely and never falls off; connect the socket quickly and easily to the Hog Ring Impact Wrench.【Good Performance】Socket wrench adapter set can be used with impact wrench or hand screwdriver. So you can use the socket sets you already have for repairs that require other drive sizes, saving you the hassle and cost of buying new tool sets.【Standard Interfaces】Socket converter adapter set has standard interface, seamless and firmly connected, safer and safer to use. Each socket has its size printed on the socket itself, making it easy to identify after removing a handful from the case【Wide Applications】Convert size up or down for your car needs in the garage. Make work easier and more efficient. Design for the use of all batteries, electric and pneumatic impact wrenches, crowbar, ratchet and torque wrench, etc. For all DIY or automotive work Specifications:Material: Chromium-molybdenum steelType: Impact Socket AdaptoSystem of Measurement: MetricSize: 1/4" 3/8" 1/2" 3/4"Drive Size: 1/4" 3/8" 1/2" 3/4"Diameter: 14mm 16mm 17mm 21mm 25mm 36mmHeight: 25mm 38mm 50mm 58mmWeight: 18g 43g 47g 136g 253gColour: BlackSurface Finish: Black phosphateShape: RoundDrive Typ: StandardSocket Type: ImpactTools Included: 6* Impact Adapter and Reducer SockeQuantity: 6PcsPackaging Size: 15 x 9 x 5cm Package Included:( Menge x Schlüsselweite x Diameter x Height )1 Pcs ----- 1/4" to 3/8" x 14 x 25mm1 Pcs ----- 3/8" to 1/4" x 16 x 25mm1 Pcs ----- 3/8" to 1/2" x 17 x 38mm1 Pcs ----- 1/2" to 3/8" x 21 x 38mm1 Pcs ----- 1/2" to 3/4" x 25 x 50mm1 Pcs ----- 3/4" to 1/2" x 36 x 58mmEverything in a practical organizer!