1. Made with chrome vanadium steel forging, high strength and good wear resistance, durable to use.2. The swivel joint can be rotated 360° to enter narrow spaces.3. The spring ball lock ensures a tight fit into the drive head to prevent slipping during use.4. 6-Point Socket: Has 6-point opening that snugly fits the hex shape of fastener heads, allowing it to apply maximum torque without slipping.5. Specifically machined to be securely installed in a handheld screwdriver, drill driver or impact wrench.6. Widely used in DIY hand-making, household maintenance, and most general repairs.Specification:Material: Chrome Vanadium Steel (CR-V)Finish: Chrome Plated, Mirror Polished- SocketSize: 4mm 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mmSquare Drive: 1/4-inchTotal Length: 50mm / 1.97-inch- 360° Rotatable Socket AdapterHex Shank: 1/4-inchSquare Drive: 1/4-inchTotal Length: 53mm / 2.09-inch- Universal Socket JointSquare Size: 1/4-inchTotal Length: 42mm / 1.65-inchPackage Content:1 Set (11 Piece) x 6 Point Deep Socket1 Piece x Universal Socket Joint1 Piece x Hex Shank Socket Adapter