Screwdriver, Handle Material Acetate with Rubber Grip, Tip Style Group Square, Tip Style Robertson Square Recess, Tip Size #1, Shank Length 8-1/4 In., Standard Tool (Accessory Needed for Tethering), Handle Design Cushion Grip, Round Shank Shape, Shank Material Steel, Chrome Finish, Overall Length 7-3/4 In., Features Tip ID on Handle, Standards ASTM F1505, IEC 60900