Features Durable Chrome Vanadium Steel: Made of high-quality steel, these drill socket adaptors are suitable for heavy-duty impact drivers, ensuring long-lasting performance. Secure Socket Attachment: The spring-loaded ball bearing on the head holds sockets securely, making it suitable for quick change 1/4" chuck systems or direct use in a drill chuck, providing a reliable and stable connection. Versatile Socket Set Conversion: Easily convert your hand socket set into a driven socket set, perfect for use with impact drivers or drills, replacing the need for a ratchet with a power tool for added convenience. Impact-Ready Adapters: These adapters are designed for the most demanding applications, featuring a 1/4" hex shank that fits all quick change chucks as well as standard drill chucks, ensuring compatibility and reliability. Comprehensive 3-Piece Set: This set includes 1/4", 3/8", and 1/2" socket bit adapters, providing versatility and convenience for various applications, making it a valuable addition to your tool collection. Features: 100% quality and Brand new. Chrome Vanadium Steel Suitable for Heavy Duty Impact Drivers. Spring Loaded Ball Bearing on Head Holds Sockets Securely. Suitable for Quick Change 1/4" Chuck Systems or Directly into Drill Chuck. Change Your Hand Socket Set Into A Driven Socket Set. This set is perfect for your impact driver or drill, and allows you to replace your ratchet with a power tool. These impact ready adapters are rated for the most demanding of applications. The 1/4" hex shank fits all quick change chucks as well as standard drill chucks. Socket Bit Adapter Drill Nut Driver Power Extension Bar 3pc Set 1/4" 3/8" 1/2". Specification: Material: chrome vanadium steel CR-V 1/4" hex shank to 1/4" socket 50mm Long 1/4" hex shank to 3/8" socket 50mm Long 1/4" hex shank to 1/2" socket 50mm Long Package Included: 1 x (1/4" hex shank to 1/4" socket)Socket Adapter 1 x (1/4" hex shank to 3/8" socket)Socket Adapter 1 x (1/4" hex shank to 1/2" socket)Socket Adapter Package List