General description Sealey Premier Insulated Open-End Spanner Set includes 7 pieces, designed for safe live working on hybrid and electric vehicles. Each spanner is fully insulated to protect against electric shocks, making it suitable for electricians and other trades as well. Technical specifications Manufactured from hardened and tempered Chrome Vanadium steel Sizes: 8, 10, 12, 13, 14, 17, 19mm Tray Size (W x D x H): 175 x 395 x 30mm Other information VDE and EN 60900 standards compliant, protecting from electric shocks up to 1500V DC and 1000V AC Supplied in EVA foam storage tray for easy storage Lifetime guarantee*