Klein Tools NRHD 5-In-1 Impact Socket - Compact Utility Tool

In this review the Klein Tools NRHD 5-In-1 Impact Socket is evaluated as a focused tool for linemen, utility workers and anyone who services pole hardware. The bottom line: it replaces multiple sockets with a single, durable tool that saves time on the job. The reviewer found its combination of three square socket sizes, alignment slots and a long hollow shaft especially useful when working around long threaded bolts and pole fasteners. Its impact-ready construction and included nested adapter make it a practical choice for crews who need reliable, on-site versatility.

Key Features

• 5 sizes in 1: Three square socket sizes plus two alignment slots let a user switch between common utility fittings quickly without changing tools.
• Alignment slot: The small and large alignment slots allow the tool to engage pole hardware and hold fasteners in place while tightening or loosening.
• Nested adapter: The included 7/16-in hex quick-change adapter provides fast attachment to compatible drivers for rapid operation.
• Ball detent: A ball detent improves retention on the adapter to help minimize drops when working at height or in confined spaces.
• Long hollow shaft: The 6-in hollow shaft clears long threaded bolts up to 13/16-in diameter so it fits over studs that shorter sockets cannot reach.

Who It's For

The NRHD 5-In-1 is aimed at linemen, utility technicians and maintenance pros who regularly encounter pole hardware and long studs; its design eliminates the need to carry several separate square sockets. It is also helpful for electricians and service technicians who use 1/2-in impact drivers and need a compact multi-size socket for field repairs.

Those who should look elsewhere include users who require a full metric/SAE set or need deep, full-coverage sockets for non-square fasteners; this tool is optimized for a narrow set of square drive sizes and alignment work rather than wide-ranging socket set needs.

Pros & Cons

Pros

• Combines three commonly used square sizes and two alignment slots into one impact-rated tool, reducing tool loadout.
• Long hollow shaft fits over long threaded bolts, solving access issues on pole hardware.
• Includes a 7/16-in hex quick-change adapter and ball detent for secure, fast attachment to drivers.

Cons

• Not a replacement for users who need a full range of metric or standard sockets beyond the three square sizes provided.

Specifications

Brand	Klein Tools
Tool type	Impact socket, 5-in-1
Square sizes	3/4-in, 1-in, 1-1/8-in
Alignment slots	Small and large
Shaft	6-in long hollow shaft, fits up to 13/16-in bolts
Included adapter	7/16-in hex quick-change nested adapter

Our Verdict

The Klein NRHD 5-In-1 Impact Socket is a smart, purpose-built tool for utility and field service work where square drive sizes and long threaded bolts are common. Its combination of alignment slots, hollow shaft and impact compatibility delivers clear on-the-job value for technicians who need fewer tools and faster changeover.

Frequently Asked Questions

Will this work with impact drivers?
Yes, it is designed for use with 1/2-in impact drivers and compact impact wrenches, and includes a 7/16-in hex quick-change adapter for easy attachment.

How long is the shaft and what bolt diameter will it clear?
The shaft is 6 in long and is hollow to clear long threaded bolts up to about 13/16-in diameter.

Does it replace a full socket set?
No, it replaces several common square sockets for utility work but does not substitute for a full metric or SAE socket set.