Forged from Chrome Vanadium steel to provide ultimate performance and durability, and equipped with full length 3 in. hollow shaft that lets you work on long bolt applications The Kontour handle is shaped to fit the curvature of your hand, giving you a powerful and ultra-comfortable grip The Kontour handle is covered in alternating soft and hard layers, in a hybrid pattern designed to strike the perfect balance between high speed turning and high torque transfer, giving you a sure grip while letting you quickly shift in between turns Anti-roll design helps the screwdriver say where you leave it and won't roll away. Hanging hole at the top of the handle lets you use standard hooks for organization and storage Nut driver in 3/8 in. hex size, Weight: 0.03 pounds, Manufacturer: Capri Tools