High Quality Socket Adapter: Each adapter is made of heat-treated chrome vanadium steel and is coated with manganese phosphate to resist rust and corrosion and ensure a long service life. Wide Application: Suitable for quickly changing 1/4 inch chuck systems or directly into drill chucks. Each cordless drill into a power groove driver. Convenient for quickly driving nuts, screws and fasteners, etc. The spring-loaded ball bearing on the head holds the sockets firmly. Compatibility: Suitable for screwdrivers or power drills, features 1/4" quick change chuck systems or directly into drill chucks. Change your hand tool socket sets into impact/drive sockets. Specifications: 3-piece 1/4" drive adapter, 3/8" drive adapter and 1/2" drive adapter and each with a 1/4 inch hex screwdriver socket wrench adapter set. So you can turn any drill into a power screwdriver with the extra reach. Specifications: 3 pieces 1/4" drive adapter, 3/8" drive adapter and 1/2" drive adapter and each with a 1/4 inch hex screwdriver socket wrench adapter set. So you can turn any drill into a power screwdriver with the extra reach. Features: 1. Suitable for 1/4" quick change chuck systems or directly into drill chucks. 2. Converts any electric/cordless drill into a power slotted screwdriver. 3. Portable for fast driving of nuts, bolts and fasteners, etc. 4. Spring loaded ball bearing on the head holds sockets firmly. 5. Widely used in home improvement, carpentry and auto parts, specializing in machine repairs and so on. Specification: Weight: approx. 100g Silver All sockets are standard 1/4" hex shank Package Includes: 1 x Socket Adapter (1/4" hex to 1/4" socket) 1 x Socket Adapter (1/4" hex to 3/8") 1 x Socket Adapter (1/4" hex to 1/2" socket)