Klein Tools 631 Nut Driver Set – 7-Piece, Made in USA, Cushion-Grip

Overview

The Klein Tools 631 Nut Driver Set blends seven essential hex drivers into a compact, high-precision kit. With 3-inch hollow shafts, Tip-Ident color coding, and Cushion-Grip handles, it’s designed to deliver reliable torque and comfortable control for everyday fastening tasks. Made in the USA, this set emphasizes craftsmanship and dependable performance for professional electricians, technicians, and serious DIY enthusiasts.

Smart design for real-world tasks

Each nut driver uses Tip-Ident color coding on the handle ends, enabling quick hex orientation and size recognition during busy jobs. The hollow shaft design facilitates work on longer bolts and embedded fasteners, helping you maintain alignment without crowding the work surface.

Comfort and control

Cushion-Grip handles are engineered for comfort and extended use, providing solid torque without slipping. Chrome-plated shafts resist corrosion, helping edges stay sharp and consistent through daily wear.

Durable, US-made craftsmanship

Designed for reliability, the set covers hex sizes from 3/16 to 1/2 inch. Integral shaft flanges create a twist-resistant anchor, contributing to dependable performance across a range of applications. Klein Tools also backs many products with a lifetime warranty against defects in materials and workmanship.

Whats inside and how it helps

• Hex sizes: 3/16, 1/4, 5/16, 11/32, 3/8, 7/16, 1/2 inch
• 3-inch shafts for comfortable reach in tight spaces
• Hollow shafts to accommodate long bolts and avoid interference
• Tip-Ident color coding for fast size identification
• Chrome-plated shafts for corrosion resistance
• Integral flanges provide a solid, twist-resistant blade anchor
• Color-coded handles to simplify engagement with fasteners

Use cases and benefits

Ideal for electrical panel work, electronics assembly, appliance repair, and service calls where consistent fastener selection matters. The 7-piece set is compact enough for tool boxes and belt pouches, helping you stay organized on site.

Warranty and trust

Klein Tools offers a lifetime warranty on material defects and workmanship for the normal life of the product, reflecting a long-running commitment to quality.