The Capri Tools 1/4 in. Drive Universal sockets have a 40-degree working angle and rotate smoothly in 360 degrees. They give you the ultimate accessibility to fasteners in tight spots. Made with premium chrome vanadium steel and tempered with our proprietary heat treatment process, they withstand more torque. Our own smartkrome plating not only gives the sockets The perfect polished look and feel, It's enhances their durability and corrosion resistance. Stamped sizing is permanent and does not fade over time. The 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage. Meets and exceeds ASME B107. 110 standards.