Westward 5MW80 Square Screwdriver Tether-ready square screwdrivers have a loop or hole that allows the attachment of a tether to prevent the tool from falling and causing injuries or damage when working at height. They feature a self-centering design that makes it easier to insert the tip into the screwhead and allows for one-handed driving. Tip Size / #1 Tip Style / Square Recess Grip Style / Molded Overall Length / 8-1/2 inch ESD Safe / No Non-Sparking / No Non-Magnetic / No Insulated / No Corrosion Resistant / Yes Tether Ready / Yes Tip Finish / None Shank Coating / Chrome Shank Finish / Chrome Shank Length / 4 inch Shank Material / Alloy Steel Shank Shape / Round Magnetized Tip / No For Fastener Size / #1 Handle Material / Plastic Measurement Type / SAE Replaceable Shank / No Standards / ANSI