Elevate your electrical work with our Premium Insulated 12-Piece 1/2 Inch Drive Socket Set, meticulously crafted to ensure safety and durability. Made from advanced injection molded nylon thermoplastic, this exceptional tool set adheres to the highest safety standards, having undergone rigorous testing to meet IEC60900, Category C, and ASTM F1505 specifications. Each tool is engineered to resist extreme impacts and abrasions, and is flame retardant, making it ideal for the toughest work environments. Our tools have been rigorously tested at 1000 volts for 3 minutes while submerged in water, guaranteeing your safety during electrical jobs. With Category C Impact Testing, these tools can function effectively in temperatures ranging from -40ºF to 158ºF (-40ºC to 70ºC). This comprehensive 12-piece set includes 10 metric sockets ranging from 8mm to 21mm, a 1/2 inch reversible ratchet, and a 127mm (5 inch) extension bar, all neatly organized in a robust carrying case. Equip yourself with this premium socket set to ensure both safety and exceptional performance for all your electrical tasks.