The Klein Tools Keystone Screwdriver features a precision-machined 1/4" tip and a heavy-duty square shank that allows a wrench to be applied directly to the shank for maximum torque — making it the right tool for stubborn panel fasteners, seized load centre screws, and demanding electrical installations where a standard round-shank screwdriver won't break the fastener loose. The 4" heat-treated shank is chrome-plated for corrosion resistance, with internal handle flanges providing a solid, twist-resistant blade anchor under high-load conditions. The Cushion-Grip™ handle delivers all-day comfort, and Tip-Ident® enables instant tip orientation identification without slowing down the work on site.

Specifications

Tip Type Keystone (Flat Head)
Tip Size 1/4" (6.4 mm)
Shank Type Square (wrench-ready)
Shank Length 4" (10.2 cm)
Overall Length 8.34" (21.2 cm)
Material Steel, chrome-plated
Handle Cushion-Grip™, Black
Magnetic No
Insulated No
Special Features Heavy-duty square shank for wrench-assisted turning, Tip-Ident®, heat-treated shank, Made in USA
Standard Compliance Meets or exceeds ASME/ANSI specifications
Weight 4 oz (113 g)