"Speed zone" for turning in lower torque applications Black oxide non-slip tip Magnetic tip Tri-lobe ergonomic handle to offer optimal balance power and comfort Dual material handle for comfort and performance Meets or exceeds ASME B107.15 Overall Length 20.900” Handle Size (Diameter X Length): 1.45” x 5.11” Tip Style Slotted Blade Type Black Oxide Non-Slip ASME Specification B107.15 Tip Thickness 0.055” Blade Diameter 0.315” Blade Length 16” Tip Size 3/8”