The itl 12 piece insulated 3 8 drive socket set is a specialised tool set designed for electrical work where live circuits may be present, combining both metric and imperial sockets for versatile applications. This professional-grade socket set features insulated tools manufactured from injection moulded nylon thermoplastic, providing essential protection when working near electrical systems. Each tool in this set is rigorously tested to meet iec60900 category c and astm f1505 standards, with 100% testing at 1000 volts for 3 minutes whilst submerged in water. This comprehensive testing regime ensures reliable protection for electricians and contractors working in environments where electrical hazards exist. The insulated construction is engineered to withstand extreme impact and abrasion whilst remaining flame retardant, making it ideal for demanding trade environments. Category c impact testing certifies these tools for operation across an extended temperature range from -40 c to 70 c -40 f to 158 f , ensuring dependable performance in both cold outdoor installations and high-temperature industrial settings. This comprehensive set includes six metric sockets 8mm, 10mm, 13mm, 17mm, 19mm and 20mm and four imperial sockets 3 8 , 1 2 , 3 4 and 7 8 af , providing coverage for the most commonly encountered fastener sizes in electrical and mechanical work. The kit is completed with a 3 8 reversible ratchet and a 127mm 5 extension bar, all supplied in a protective case for organ...