Klein Tools 647M Magnetic Nut Driver Set – 7-Piece, Made in USA

Overview

The Klein Tools 647M Magnetic Nut Driver Set delivers pro-grade versatility for fastener work. Designed with internal features that stabilize the shaft and a magnetic tip to aid one-handed operation, these drivers pair reliable performance with comfort-in-use craftsmanship. The chrome-plated hollow shafts resist moisture and corrosion, while Cushion-Grip handles provide confident control and torque when needed.

Why this set stands out

• Full hollow shafts promote access to long bolts and recessed fasteners (except 3/16").
• Rare-earth magnetic tips hold fasteners securely for steady placement.
• Internal flanges anchor the shaft for a twist-resistant grip during turning.
• Chrome-plated shafts help deter corrosion in demanding environments.
• Color-coded handle domes aid quick size and type identification on the job.
• Made in the USA, reflecting Klein Tools’ emphasis on quality and domestic manufacturing.

What you get

• Seven sizes: 3/16", 1/4", 5/16", 11/32", 3/8", 7/16", 1/2"
• Cat. No. 646-3/16M, 646-1/4M, 646-5/16M, 646-11/32M, 646-3/8M, 646-7/16M, 646-1/2M

Practical use and benefits

• Ideal for electrical panels, automotive, cabinetry, and appliance repair where consistent torque is key.
• The magnetic tips simplify placing fasteners in tight spaces and with one hand, reducing fumbling.
• Hollow shafts make room for longer bolts and deep sockets, expanding your reach.
• Ergonomic cushions in the grip help maintain comfort during extended use and precise control.

Whether you’re assembling components on a workstation or performing on-site maintenance, this 7-piece set combines a durable build with tools designed to stay reliable over time. It’s a practical addition to any toolkit where dependable nut driving matters, without overpromising results.