Open off set at 15degree for easier use. Approved for live working up to 1,000 volts. Nonslip handle for maximum comfort. Tools are hold in place using three color pre-cut high-density EVA foam. Design to fit exactly in Teng Tools service cases. Chrome vanadium steel construction. Designed and manufactured to DIN3114 IEC60900 standards. Organized in a foam inlay module size 3 (FOAM3)