SPECIFICATIONSThe Impact Grade Socket Adapter Set Includes 3 Adapters in a Pack: 1 x 1/4-inch Hex to 1/4-inch Drive, 1 x 1/4-inch Hex to 3/8-inch Drive, 1 x 1/4-inch Hex to 1/2-inch Drive. So you can turn any power drill into a power nut driver with the extra reach you need. Impact GradeThese impact grade corrosion-resistant adapters are perfect for increased torque projects, helping to prevent the breaking and stripping of sockets. High QualityEach adapter is made of Heat-treated Chrome Vanadium Steel, and coated in Manganese Phosphate for industrial or mechanical use CompatibilityThe impact driver socket adapters are compatible with all brands of power drills, and the spring loaded detent ball design ensures the adapters to work securely with 1/4-inch, 3/8-inch, or 1/2-inch drive sockets. WarrantyMoney Back Guarantee. If you have any issues with your Impact Grade Socket Adapter/Extension Set, simply contact with us for replacement or refund. Specification Sizes included: 1/4-inch Hex x 1/4-inch Drive 1/4-inch Hex x 3/8-inch Drive 1/4-inch Hex x 1/2-inch Drive Package Included: 1 x (1/4 hex shank to 1/4 socket) 1 x (1/4 hex shank to 3/8 socket) 1 x (1/4 hex shank to 1/2 socket) Colours: Black, Blue, Red, Yellow Features Includes 3pcs impact socket adapter/extensions 1/4-inch, 3/8-inch, and 1/2-inch drive sizes 1/4-inch hex shank 3-inch length Heat-treated Chrome Vanadium steel Spring loaded detect ball ensures socket is secured Converts power drills into socket drivers Best for increased torque projects The socket adapter is compatible with various power drills, and the spring loaded detect ball design ensures the adapters to work securely with 1/4-inch, 3/8-inch, or 1/2-inch drive sockets. It is a good accessory for conversion which is used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hexagonal tool . Useful for vehicle repairs, technicians, handyman hobbyist developments to use with sockets on hardware/tire nuts, lag bolts, hex head cap screws at home, workshop factory etc.