Sibille L Shape Metric, 4mm

"'Right-angled hex. keys manufactured to ISO2936, DIN 911, insulated to ESI26/3 standards
Chrome molybdenum steel with chemically black hex tip
High quality ’Orange’ safety tools, insulated, tested and marked in accordance with the requirements of the UK Electricity Supply Industry, standard ESI 26-3, issue 2 1984. Also in general compliance, or exceeds, the requirements of IEC: technical committee 78 (draft document), EDF: ST specification technique No. 1 (France), VDE 0680//2 Part II (West Germany), B.S. 2559 Pt 3:1973
The insulation materials used have excellent mechanical and electrical properties (over temperature range -20 °C to +70 °C) and are tested to a minimum of 10000 V, 50 Hz for 3 minutes at various stages of manufacture. The insulation is positively bonded to the tool, impact resistant, fire retardant and resistant to most acids. To ensure visual safety should the insulation become damaged, the final coat is ’orange’ and preceding coats are ’white’
Designed to help protect the user during live working, accidental contact or ’flashover’ when working on or adjacent to energised systems, and are guaranteed up to 1000V"