Screw Holding Screwdriver Handle Material Multicomponent Tip Style Group Torx(r)/Star Tip Style Torx(r) Tip Size T27 Shank Length 4-9/16 In. Standard Tool(Accessory Needed for Tethering) Handle Design Ergonomic w/Antiroll Round Shank Shape Shank Material Alloy Tool Steel Chrome Shank Black Oxide Tip Finish Overall Length 8-3/16 In. Features Holding Function According to Acument Global Technologies Inc. Specification