Milwaukee 1000V insulated screwdrivers are the only UL classified insulated screwdrivers. Tested to IEC 60900:2012, ASTM F1505-10 & nape 70E standards, Milwaukee insulated screwdrivers are OSHA approved and provide an uncompromising safety rating. Milwaukee insulated screwdrivers are flame and impact resistant and feature a dual layer insulation providing maximum protection and a visual wear indicator to issue a replacement warning to the user. Milwaukee insulated screwdrivers are designed for the jobsite and include Milwaukee's Limited Lifetime Warranty.