MDV771 | Teng 1000V Screwdriver Interchangeable PZ1 Slim PZ blade 1 000 volt insulated screwdriver blade For use with the interchangeable blade handles (MDV700 or MDV710) Approved for live working up to 1 000 volts Integrated protective insulation with two colours to clearly indicate if there is any damage to the insulation Reduced blade diameter giving an ultra slim blade for easier access to recessed screws and spring elements For use with Pozidrive type screws TT-MV PLUS steel alloy for greater strength and material flexibility