Professional sockets for commercial or occasional use Extra long 18mm extra deep socket Metric socket 1/2" drive extra long metric deep socket 1/2" drive so will fit any 1/2" drive ratchet, bar, impact gun etc... Total length of the extra long socket 120mm / 12cm Extra long socket perfect for access in restricted / deep set hard to reach areas Manufactured from CR-v steel for maximum strength and durability Hardened and tempered for added strength with phosphate finish for greater corrosion resistance Impacted socket so suitable for use with high torque tools Single hex / 6 sided socket 18mm metric socket SPECIFICATIONS • 18mm metric socket • Drive size 1/2" • 6 sided / single hex socket • Total length of the socket – 120mm • Outside diameter of the socket end – 27mm • Outside diameter of the drive end – 27mm