The Klein Tools 1/4-Inch Flathead Screwdriver with a 4-inch square shank (Model 600-4) is built for demanding fastening tasks in electrical, mechanical, and industrial environments. Its heavy-duty square shank supports wrench-assisted turning, allowing users to apply additional torque when needed. The precision-machined keystone tip ensures a secure fit in screw heads, reducing slippage and improving control. The 4-inch shank provides reach for recessed fasteners, making this tool ideal for tight or confined workspaces.

This screwdriver features a Cushion-Grip™ handle for enhanced comfort and torque during extended use. The chrome-plated shaft resists corrosion and provides a smooth finish, while internal flanges inside the handle anchor the blade securely to prevent twisting. The Tip-Ident® marking on the handle allows for quick identification of the screwdriver type and tip orientation. Made in the USA and compliant with ASME/ANSI specifications, this tool is a reliable choice for professionals who need consistent performance on the job.

Key Features:

• 1/4-inch keystone flathead tip
• 4-inch square shank for wrench-assisted turning
• Cushion-Grip™ handle for torque and comfort
• Chrome-plated shaft resists corrosion
• Internal flanges for twist-resistant blade anchoring
• Precision-machined tip for secure fit
• Tip-Ident® for quick tool identification
• Overall length: 8.344 inches
• Weight: 4.0 oz