These ITL12 Piece ½ Inch Drive Socket Set's are fully insulated and exceeds international standards. They have a lifetime guarantee on the tool and insulation, and are supplied in a case.
This set are manufactured from injection moulded nylon thermoplastic, and are 100% tested to IEC60900, Category C and ASTMF1505. They are designed to withstand extreme impact, abrasion, and are flame retardant.
ITL tools are 100% tested using 1000 volts for 3 minutes submerged in water. They are Category C Impact Tested for operation within a greater temperature range -40ºF to +158ºF, -40ºC to +70ºC

Set Contains: 
6 x Metric Sockets: 8, 10, 13, 17, 19 and 20mm.
4 x Imperial Sockets: 3/8, 1/2, 3/4 and 7/8in AF.
1 x 1/2in Reversible Ratchet.
1 x 5in (127mm) Extension Bar.