Gearwrench Set Skt Imp Unv Met 3 8Dr 15Pc 304012 Insulated Extension Bar3in Approved for KT433538MR Insulated Extension Bar3in Approved for live working up to 1 000 volts Integrated protective insulation with two colours toclearly indicate if there is any damage Ball recess on the female end to grip the ratchet Ball socket retainer on the male end to securely grip the socket Chrome vanadium Design and manufactured to DIN3123B and IEC60900 Specification Drive: 3 8 Length: 91mm Weight: 77 g No Load Speed Low Mode 2 84363N 3 8in Drive 6 Point Standard Universal Impact Metric Socket 17mm 84918N GEARWRENCH 15 PC 3 8in Drive 6 PtStandard Universal Impact Socket Set Flex Socket Design Provides Increased Access to Restricted Fasteners