Teng insulated Spanner 15mm SCPS01 4 10M Anti Slip Guide Rail Size:ConnectX 4 10M Anti Slip Guide Rail Seat Open End 1 4 1 1 4in TTX Tray 7 piece double open ended AF spanner set All the most commonly used sizes from 1 4 to 1 1 8 inone handy set Different size at each end to give 14 sizes in total Open at each end off set at 15° for easier use Chrome vanadium satin finish Supplied in the unique Teng Tools drawer width TTX tray Use on it s own or as part of the Teng Tools GetOrganised system Designed and manufactured to DIN3110 and DIN3113A Sizes: 1 4 5 16 3 8 7 16 1 2 9 16 5 8 3 4 13 16 7 8 15 16 1 1 1 8 1 1 4 Designed and manufactured to DIN3114 IEC60900 standards Teng Tools launches additional insulated tools specifically adapted for work on live circuits