Klein Tools 32940 SAE Magnetic Hollow Nut Driver Set – 6-Piece, Extended Reach, Color-Coded

Klein Tools 32940 SAE Magnetic Hollow Nut Driver Set

Professionals reach for the Klein Tools 32940 when working with hex fasteners in tight or recessed spaces. The set combines a precise 5-inch shaft with a 3-3/4-inch hollow depth, allowing you to drive or guide fasteners along threaded rods without fighting bulky tool bodies. Each size features a color-coded handle for instant recognition, helping you stay organized on demanding jobs. The powerful rare-earth magnets are tuned to the corresponding hex size, supporting secure one-handed driving as needed.

Key features

• SIX HEX SIZES: Hollow shafts include 1/4, 5/16, 3/8, 7/16, 1/2, and 9/16 inch.
• MAGNET SIZE INCREASES: Each hex size enhances fastener retention with a larger magnet per size.
• EXTENDED REACH: A robust 5-inch shaft improves access to recessed areas and threaded rods.
• RARE-EARTH MAGNETS: Secure hold of fasteners enables effortless one-handed driving.
• IMPACT-RATED: Engineered to withstand demanding driving tasks with strong impact resistance.
• HIGH-GRADE STEEL + COLOR-CODED HANDLES: Premium construction plus color-coded identification for quick selection.

Real-world use and benefits

• Reach into tight panels or housings to position a fastener before tightening, thanks to the 5-inch shaft and hollow depth.
• When space is limited, use one-handed driving with a secure magnet to hold the fastener in place while you position components.
• Choose the correct size at a glance because the color-coded handles align with the hex size, reducing guesswork on busy jobs.
• Work with threaded rods or other long inserts without removing hardware from tight spaces, thanks to the hollow design.

Quality you can rely on

Klein Tools has a long-standing heritage of professional-grade hand tools. Since 1857, the brand has combined practical design with durable materials, aiming to support craftsmen, technicians, and builders who demand precision and reliability. The 32940 set reflects that tradition with a focus on performance, durability, and user-friendly features that help you complete tasks efficiently, even in challenging environments.