Spark-resistant tools manufactured exclusively from Beryllium Copper (BeCu).Fully insulated for safe operator use for live voltages up to 1000V AC and 1500V DC (IEC60900:2018 approved).Applications include hydrogen powered EV’s (battery electric vehicles), oil and gas refineries, nuclear power plants and similar areas where flammable gases may be present.Set includes open end wrenches 10-19mm, 1/2"D sockets 10-19mm, 1/2"D T-handle, 8" pliers, 6" side cutters and 7 assorted screwdrivers.Supplied in a heavy duty plastic case with routed foam tray to retain tools securely.