• Switch cabinet wrench for all usual technical shut-off systems • 1 wrench for 9 different applications • The body houses a 5 mm square suitable for aerating radiator valves and a ¼” bit holder including magnet • Square locking: 5, 6, 7-8, 9-10 mm, including 7-8 mm also magnet • Triangular locking: 7,8-9,10-11 mm • Two-way key: 3-5 mm • Half-moon locking: 6 mm • Zinc die-casted • Securing chain with snap-hook