Forged Chrome Vanadium steel sockets and bits. Sockets heat treated and chrome plated with a fully polished mirror finish. Knurled ring to assist gripping with oily fingers. Supplied in storage case. Features & Benefits:Forged Chrome Vanadium steel sockets and bits.Sockets heat treated and chrome plated with a fully polished mirror finish.Knurled ring to assist gripping with oily fingers.Contents: Lengths 55 and 100mm; M5, M6, M7, M8, M9, M10, M12, M13, M14, Lengths 140 and 200mm; M8, M9, M10, M11, M12, M13, M14.Supplied in composite storage case.Lifetime guarantee*.Model No. AK2198 Specifications: Model No AK2198 Brand: Premier Contents: 1/2"Sq Drive Ribe Socket Bits; Length 55mm -M5, M6, M7, M8, M9, M10, M12, M13, M14, Length 100mm - M5, M6, M7, M8, M9, M10, M12, M13, M14, Length 140mm - M8, M9, M10, M11, M12, M13, M14, Length 200mm - M8, M9, M10, M11, M12, M13, M14 Drive: 1/2"Sq Maximum Length: 55mm Minimum Length: 200mm Nett Weight: 5.65kg