4-in-1 square impact socket with quick-change adapter

Klein Tools’ NRHD4 packs four square impact socket sizes into a single, steel, single-ended design for fast pole hardware work. Coaxial, spring‑loaded sockets and a 7/16 in. hex quick‑change adapter streamline switching sizes, while the alignment slot and color-coding help speed identification and engagement.

---

Key Features:

• 4 Sizes in One: Includes 3/4 in., 13/16 in., 1 in., and 1-1/8 in. square sockets for versatile utility work
• Quick Changes: 7/16 in. hex quick‑change adapter with ball detent minimizes accidental separation
• Hands-Free Adjustment: Two coaxial, spring‑loaded sockets allow rapid size selection
• Pole Hardware Ready: Alignment slot works with 1/2 in., 5/8 in., and 3/4 in. hardware; hollow shaft fits long bolts
• Impact-Rated Steel: Engineered for use with impact drivers; color-coded bands for easy size ID

Please check the Product Data Sheet Here

---

Specifications Table:

Specification	Details
Drive Size	1/2 in
Socket Sizes	3/4 in., 13/16 in., 1 in., 1-1/8 in.
Adapter	7/16 in. hex quick‑change adapter with ball detent
Hand Tool Type	Individual Socket
Socket Type	Impact Socket
Socket Depth	Intermediate
Material	Steel
Measurement Standard	SAE
Points	4-point
Color Family	Black
Individual/Set	Individual
Number of Pieces	1
Features	Two coaxial spring‑loaded sockets; alignment slot for pole hardware; hollow shaft 13/16 in. dia., 6 in. long; color-coded bands; cross hole design to prevent separation
Works On Pole Hardware	1/2 in., 5/8 in., 3/4 in.

---

Frequently Asked Questions (FAQ):

Q: What drive size does this socket use?
A: It has a 1/2 in. square drive and includes a 7/16 in. hex quick‑change adapter.

---

Q: Which socket sizes are included?
A: 3/4 in., 13/16 in., 1 in., and 1-1/8 in. square sizes are integrated into one tool.

---

Q: Is it suitable for impact drivers?
A: Yes, it is engineered for use with impact drivers and made from durable steel.

---

Q: Can it handle long bolts or pole hardware?
A: Yes. The hollow shaft accommodates long threaded bolts and the alignment slot works with common pole hardware sizes (1/2 in., 5/8 in., 3/4 in.).

---

Q: How is size identified quickly?
A: Color-coded markings with double lines indicate size and the slotted feature.

---

Industrial precision, streamlined for the field

This compact impact socket is a study in purposeful design, merging four essential square sizes into one sleek, graphite-black silhouette. The blue bands and sculpted alignment slot lend a refined, engineered aesthetic that feels at home on any professional rig. Pair it with a rugged impact driver and a neatly organized belt to keep your workflow fluid and elevated. It’s a small but powerful accessory that delivers the quiet luxury of efficiency.

---

Equip your kit with the NRHD4 and switch sizes fast to finish pole hardware jobs with confidence.

Warranty