Features: long execution, total length 76 mm additional square of 5 mm for control cabinets and shut-off systems in the supply of gas, water and electricity for technical installations in buildings, e.g. Air conditioning and ventilation systems, shut-off valves, main switchboards, etc. with bit insert: slot 1.0 x 7 mm and cross recess ph2 with adapter for 1/4 bits chained to key additional bit adapter for 1/4 bits inside one profile zinc die-casted