Includes: 3 pieces. 1/4" drive adapter, 3/8" drive adapter and 1/2" drive adapter and each with a set of 1/4" socket wrench adapters. Sockets / sockets / bits / plugs / sockets / driver sockets to power a cordless drill. These adapters are convenient for attaching a set of sockets / sockets / socket wrenches / ratchet / universal socket wrench to a power drill 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 coding for easy choice Suitable for screwdrivers or drills has a quick change from 1/4" chuck systems or directly in the chuck. Transform your hand tools set of plugs into shock or drive sockets Purpose: This adapter kit is designed to provide a secure lock to your existing tool's extension Offers extra length to achieve a wide variety of hard-to-reach spaces Spring-loaded ball lock secures a firm hold in the driver's head to prevent slippage during use Specially machine-machined to fit securely in a driver, drill or impact driver General Purpose: This set of 3 hex driver bits is designed to meet a variety of needs Fits individually and securely in your chuck or manual Consisting of your bits sizes 1/4", 3/8" and 1/3", it offers versatility and convenience no matter what tool you want to use. Ideal for DIY, household maintenance and general repairs, not for industrial work