Description: These power tool sockets are made with high quality chromium-vanadium steel with heavy duty construction to ensure maximum durability. It can be used for a variety of screwdrivers, drills and other power tools making these sockets very handy and multipurpose . Features: Hard steel sockets for maximum durability, the heavy-duty construction allows for long service life. Sockets have magnetism for quick connect or disconnect and ensuring stay in place while driving. Universal 1/4inch quick hex shank sockets would fit most electric screwdrivers, drills or other power tool. The small size allows you to bring your sockets anywhere to get any job done and can fit into many tool bag. There are five power tool sockets in different sizes and you can use the proper one for various need. Specifications: Material: Chromium-vanadium steel Color: As picture Hex Shank Size: 1/4" Hex Socket Size: 1/4"(6.35mm), 5/16"(7.93mm), 3/8"(9.53mm), 7/16"(11.11mm), 1/2"(12.7mm) Length: 48mm / 1.89" Quantity: 5 Package Includes: 5 x Sockets