Complete and Versatile Kit: This 10-piece professional set includes 1/4"", 3/8"", and 1/2"" drive ratchets with matching extension bars plus four adapters for universal compatibility across all sockets. Reach Tight Spaces: 3-drive flex head system lets you work in cramped engine bays and around obstacles for any auto repair. 180 Degree Swivel: Adjustable head pivots a full 180 degrees and locks securely to apply maximum torque without slipping for stubborn bolts. Smooth Swinging Action: High-precision seventy-two tooth gear requires only a five degree swing to deliver torque in tight spots with ease. Comfortable Durable Grip: Built with strong Cr-v steel and handle with quick-release button for fast socket changes. weight: 4.8 pounds.