Material: Chrome Vanadium Steel For Home Use - Features: Standard Socket 1/4 "" Hex Shank on 1/4 "" 3/8 "" 1/2 "" Socket and 1/4 "" Shank Can Be Converted to 1/4 "" 3/8 "" 1/2 "" square head. Easy to choose: different rings with color code to make it easier to choose the right choice. Suitable for screwdriver or drill to drill, quickly changes 1/4 "" chuck systems or directly into chuck. Turn your hand tools set of outlets into impact / thruster outlets. Included: 3 1/4 "" drive adapters, 3/8 "" drive adapter and 1/2 "" drive adapter and each with a set of 1/4 "" hex socket wrenches. Plugs / sockets / bits / plugs / sockets / pilot sockets for powering a cordless drill. These adapters are convenient for attaching a set of sockets / ratchet / socket wrench / universal socket wrench to an electric drill. Purpose: This adapter kit is designed to provide a secure lockout to the extension of your existing tool. Provides extra length to reach a wide variety of hard-to-reach spaces. The spring loaded ball lock provides a firm hold in the rider's head to prevent slipping during use. Specially machine machined to securely fit a driver, drill or impact driver. General Use: This 3 Piece Hex Driver Bit Kit is designed to meet a variety of needs. Fits individually and securely in your chuck or manual. Made up of your 1/4 "", 3/8 "" and 1/3 "" size bits, it offers versatility and convenience no matter what tool you want to use. Ideal for DIY, home maintenance and general repairs, not for industrial work. Product Description : Style: 3 silver socket adapters. Features: Weight: 120 g. Material: chrome vanadium steel. Color: silver. All standard 1/4 "" hex sockets. Dimensions: 1/4 x 1/4 x 65mm in length - The 1/4 "" shank can be converted to a 6.35mm square head. 3/8 x 1/4 x 65mm in length - 1/4 "" shank can be converted to 9.4mm - Square head F. 1/2 x 1/4 x 72mm in length - The 1/4 "" shank can be converted to a 12.6mm square head. Main Features : 1. Adaptation of sockets to drills and conductors. 2. Locking ball for secure storage of the plinth, so that the plugs snap into place firmly and do not slip. 3. 1/4 "" hex shank prevents scratching during high speed drilling process. 4. Heavy duty heat treated chrome vanadium steel for normal and impact use. 5. Sandblasted finish 6. Converts all wires to quick plugs 7. For use with manual screwdriver or battery or power tool. 8. Color coded for easy identification. Contents: 1 socket adapter (1/4 "" hex shank to 1/4 "" socket). 1 socket adapter (1/4 "" hexagonal shank to 3/8 "" drive). 1 socket adapter (1/4 "" hex shank to 1/2 "" drive).