Insulated T Handle Hex Keys SetVDE approved - individually tested to 10,000V for safe working up to 1,000V.Premium quality S2 steel blade, tempered and hardened for exceptional strength & durability.Dual component, ergonomic handle for comfort and control.Size = 3, 3.5, 4, 5, 6mmTechnical Specification:Product Standards Applicable: IEC60900CE Certified: NoConflict Materials Content : NoREACH Content Status SVHC Free or Contains SVHC: SVHC FreeRoSH Regs Within Scope: NoBattery Powered: NoCharger Included: NoMains Powered: NoDimensions: Length: 35mm x Height: 310mm Weight: 0.46KgWarranty: 12 months. C.K products are guaranteed for 1year against imperfect materials or workmanship. Damage caused through normal wear and tear or resulting from inappropriate use, is not covered.