BLACKROBOT 4 Piece Impact Socket Adapter Set, 1/4" 3/8" 1/2" SAE Drive Socket Adapter Set, Square Adapter and Reducer Conversion Set for Impact Driver Wrench, Cr-Mo Steel - Impact Socket Adapter and Reducer Set

• 【PRACTICAL ADAPTER SET】 This set includes the most practical 4 sizes, 2 reducers: 1/2"F to 3/8"M, 3/8"F to 1/4" M, 2 adapters: 1/4"F to 3/8"M, 3/8"F to 1/2"M. Clear laser marking on surface, easy to identify and manage. 【HIGH QUALITY CR-MO MATERIAL】 Made of heat-treated forged Chrome Molybdenum (Cr-Mo) Steel material, which has can reduce corrosion and has ultra-high hardness. Thicker walled design can bear higher torque generated by impact tools and prevent breaking. 【PREMIUM COATING】 Our socket adapter set has black manganese phosphate coating on surface, which is better than the traditional black oxide coating adopted by others. Black manganese phosphate coating is a quality corrosion resistance and rust resistance function, reduces friction with other fasteners and ensures maximum durability. 【SRING BALL DETENT】 This impact adapter set is equipped with spring ball detent, which can tightly connect with socket and preven falling, ensures smooth usage and safety in use. 【ABOUT BLACKROBOT】Our product meets ANSI standardand and can give you the best use experience. We provide 1 year warranty and 24/7 Service. If you encounter any problems during use this socket adapter set, please feel free to contact us.