OEMTOOLS 22555 5/16 Inch x 20 Inch Slotted Screwdriver Unique ergonomic handle that is 3-sided, which feels good in your hands High performance hex shaped shaft for more torque and less flex The incredibly durable handles are made of hardened resin that is solvent resistant and easy to clean Precision machined and sand blasted tips remarkably reduce cam-out 3-sided handle feels good in your hands