Fully insulated 1/4" quick chuck hex shank x 3/8"D adaptor designed to isolate a bit driver from high-voltage sources. Suitable for removing multiple fixings quickly & safely, ideal for EV battery casings etc. Max Torque: 40NM.Supplied with 3x insulated deep sockets with embedded magnets to retain fasteners.Socket sizes: 8, 10, & 13mm x 3/8"D. Single Hex (6pt) profile. Length: 72mm.Manufactured to IEC60900 standards, for safe operator use on live voltages up to 1000V AC / 1500V DC.NOTE: Always isolate the high voltage systems in accordance with the vehicle manufacturer & wear appropriate PPE.