CH Hanson USC01870 Insulated Slotted Electricians Terminal Screwdriver Blade, 1/8-Inch X 4-Inch Overall length of screwdriver 6 and 7/8 inches All screwdrivers are manufactured from herded steel Nylon 11 is the most abrasion resistant and impact resistant insulation for electrical and live line working hand tools Longer lasting and safer and most comfortable screwdrivers available Lifetime warranty on the tool and insulation