The ITL Insulated 1/2" Drive Socket in 21mm size is engineered for the largest fasteners typically encountered in electrical work, making it essential for heavy industrial electrical installations, large switchgear assemblies, and substantial motor connections. This size provides maximum fastener engagement whilst maintaining the full electrical insulation critical for working safely on live equipment. Manufactured from injection moulded nylon thermoplastic, this 21mm socket is fully insulated and exceeds international safety standards with testing to IEC60900, Category C and ASTMF1505 specifications. Each socket is 100% tested at 1000 volts for 3 minutes submerged in water, ensuring complete electrical protection in the most demanding applications. Category C Impact Testing certifies operation from -40°C to +70°C, whilst the flame retardant construction resists extreme impact and abrasion, delivering exceptional durability for professional tradespeople. Backed by a comprehensive lifetime guarantee on both the tool and insulation for complete confidence. Features and Benefits: • 21mm size for large industrial electrical fasteners • Fully insulated design exceeds safety standards • 100% tested to 1000V specifications • Category C rated for extreme conditions • Flame retardant and impact resistant • Lifetime guarantee included Contents: • 1 x ITL Insulated 1/2" Drive Socket 21mm Specifications: Type: 1/2in Drive Socket Size (mm): 21

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