Professional 18mm metric socket for commercial or occasional use Double deep metric sockets Metric 12 sided / Bi-hex socket 18mm metric socket 1/2in drive so will fit any 1/2in drive ratchets, extensions, power bars etc... Double deep sockets so perfect for access in hard to reach and restricted areas Manufactured from CR-v steel for maximum strength and durability Thin walled socket SPECIFICATIONS • 18mm metric socket • 1/2in drive socket • 12 point / Sided Bi-hex socket • Thin walled socket • Outer depth of the socket – 80mm • Inner depth of the socket – 30mm