General description Sealey Premier Insulated Socket Set with Tool Tray 3/8"Sq Drive 20pc is designed for safety and efficiency, featuring hardened and tempered Chrome Vanadium steel sockets and accessories. This set is fully insulated to VDE and EN 60900 standards, providing protection from electric shocks up to 1500V DC and 1000V AC, making it ideal for technicians working on modern hybrid and electric vehicles, as well as electricians and carpenters. Technical specifications Material: Hardened and tempered Chrome Vanadium steel Socket sizes: 7, 8, 10, 11, 12, 13, 14, 15, 17, 19, 22mm Socket Bits sizes: 4, 5, 6, 7, 8mm Extension Bars: 100mm and 250mm Tray Size (W x D x H): 350 x 395 x 30mm Model No.: TBTE02 Compatibility and accessories Includes flip reverse comfort grip ratchet wrench with push-button quick release Includes T-Handle Includes EVA foam storage tray for easy storage Usage This socket set is perfect for: Technicians working on modern hybrid and electric vehicles (1500V