Klein Tools 5/16″ Keystone Flat Head Screwdrive | 6″ Shaft

Take on heavy-duty fastening tasks with confidence using the Klein Tools 5/16″ Keystone Flat Head Screwdriver with 6″ Shaft, engineered for strength, precision, and professional-grade performance. Designed for demanding applications, this screwdriver features a 5/16″ keystone tip that provides a secure fit and reduces slippage when working with larger slotted fasteners.

Built with a 6-inch square shank, this tool allows for wrench-assisted turning, giving you extra torque when tackling stubborn or over-tightened screws. The blade is constructed from heat-treated, high-strength steel for long-lasting durability and reliability in tough jobsite conditions.

The Cushion-Grip™ handle delivers superior comfort and control, reducing hand fatigue during extended use, while Klein’s Tip-Ident® system makes it easy to quickly identify the tip type and orientation on the job.

Ideal for electricians, contractors, and low-voltage installers, this screwdriver is built to handle high-torque applications in electrical panels, construction, and general maintenance work.

Features:

• 5/16″ keystone (flat head) tip for secure, high-torque fastening
• 6″ square shank allows for wrench-assisted turning
• Heat-treated steel blade for strength and durability
• Precision-machined tip reduces cam-out and fastener damage
• Cushion-Grip™ handle for comfort, control, and torque
• Tip-Ident® marking for quick identification
• Ideal for electrical, construction, and industrial applications

Power through tough fasteners—add the Klein Tools 5/16″ Keystone Screwdriver to your toolkit for reliable, jobsite-ready performance.