WORKPRO 4PCS Impact Socket Set 1/2" Drive, Lug Nut Socket Set, Wheel Socket Set Set includes MTO 4-piece impact adapter and reducer set includes 1/4 female to 3/8 male increaser, 3/8 female to 1/4 male reducer, 3/8 female to 1/2 male increaser, 1/2 female to 3/8 male reducerVersatile MTO adapters and reducers allow the use of different-sized tools and sockets, making them essential for any toolbox; You can quickly adjust tools without needing to switch entire sets... Anti-Dislodging Steel Ball and Chamfered Ends ONE ADAPTER/REDUCER SET FOR ALL YOUR NEEDS: Our 4-piece impact-grade adapter and reducer kit includes 1/4"(F) to 3/8"(M) - 3/8"(F) to 1/4"(M) - 3/8"(F) to 1/2"... Widely Used: This impact adapter reducer set has impact grade design, ideal for use with impact drivers, common size combinations allow for the use of more socket specifications for a variety of maintenance needs, designed for drives, wrenches and ratchets, most often used in automotive and engine repair fields Each piece is made of chrome molybdenum steel with high hardness and good toughness, and the surface manganese phosphate finish can ensure it is free from rust and corrosion during long-term use. Flexible Access to Hard-to-Reach Fasteners: The socket adapter features a ball spring design that distributes the torque load over a larger surface area, and can be rotated 360 degrees to perfectly adapt to any angle. Size: Complete 3 Piece Set Material: Chrome Molybdenum Steel Drive System: ‎Nutsetter Finish Type: ‎Manganese Phosphate Finish Item Weight: 11.3 ounces Package Dimensions: 4.29 x 3.31 x 1.54 inches Compatible Fastener Range: 0.25 inch Easily Identify the Adapter You Need: This set includes 1/2, 1/4, and 3/8 inch drive universal joints, high contrast laser-etched size markings, which can be identified clearly even in weak light. Safe and Anti-Dropping Design: Each adapter and reducer is equipped with a spring-loaded detent ball that securely locks the socket to prevent it from falling out during use, and the chamfered end can be inserted smoothly to avoid damage to its edge, and the square hole is concave design, not easy to fall off 3/8 Impact Socket Set BOEN 4 Piece Impact Socket Adapter Set And Each adapter and reducer contains a steel ball that keeps the socket securely locked in place, preventing it from falling out during operation, and the chamfered end ensures smooth insertion of fasteners without damage to each end.