TEFSPV17 | Teng 17pc Insulated Spanner Set EVA3 Open off set at 15 for easier use Approved for live working up to 1 000 volts Nonslip handle for maximum comfort Tools are hold in place using three colour pre-cut EVA foam Design to fit exactly in TengTools TC-SC and TC-6T service cases Chrome vanadium steel construction Designed and manufactured to DIN3114 IEC60900 standards Content Spanner Size: 7-24mm