Klein Tools Impact Socket NRHD 5-in-1 Square Utility Wrench (7/16 Hex 6 Inch Hollow Shaft Lineman Pole Hardware Eye Bolt Steel Fastening)

Klein Tools NRHD 5-in-1 Square Lineman Deep Impact Socket Wrench The Klein Tools NRHD 5-in-1 square deep impact socket fastens high-voltage utility distribution hardware, tightens crossarm framing bolts, secures pole steps, and spins heavy nuts onto extended all-thread rods. Built in a full-length 7.75-inch profile weighing 1.50 lbs (24.0 oz), this multi-size impact accessory incorporates 3/4-inch, 1-inch, and 1-1/8-inch square socket interfaces alongside dual alignment slots to torque curved utility hooks, eye bolts, and J-hardware. Outfitted with a 6.0-inch deep hollow shaft with a 13/16-inch inside clearance diameter to pass long protruding studs, an impact-rated steel construction compliant with ASME B107.2 specifications, and a fine-tuned 7/16-inch hex ball-detent adapter, it delivers glove-friendly, multi-stage aerial fastening efficiency for electrical linemen and power utility crews. Best Used For: Power Distribution Pole Hardware Fastening: Driving 3/4", 1", and 1-1/8" square nuts across utility pole crossarms, transformer mounts, and primary distribution framing. Extended Threaded Rod and Stud Clearance: Passing long utility all-thread bolts and lag rods through the 6-inch hollow barrel to spin nuts without bottoming out. Curved Hardware and Eye Bolt Alignment: Torquing pole steps, drive hooks, and suspension eyelet bolts directly using built-in small and large alignment drive slots. Key Performance & Safety Features Glove-Friendly Multi-Socket Conversion: Rapidly transitions between 3/4", 1", and 1-1/8" square fasteners without requiring linemen to remove high-voltage rubber protective gloves aloft. Deep 6-Inch Hollow Barrel Clearance: 13/16-inch internal pass-through shaft accommodates long protruding bolt ends during crossarm construction and pole framing. Dual Hardware Alignment Drive Slots: Dedicated large and small engagement slots seat and drive curved pole steps, eye bolts, J-hooks, and drive hooks under heavy impact torque. ASME B107.2 Impact Steel Rating: Forged, heat-treated high-strength alloy steel absorbs intense rotational hammer shock from utility impact wrenches. Fine-Tuned Ball Detent Retention: Included 7/16-inch hex quick-change adapter features an engineered ball tip that enhances socket retention to minimize dangerous drop hazards. High-Visibility Color-Coded Bands: Double-line color bands enable rapid visual identification of socket dimensions and slotted features in dim utility bucket working conditions. What's Included (1) Klein Tools NRHD 5-in-1 Square Lineman Deep Impact Socket Wrench (1) 7/16" Hex Quick-Change Impact Drive Adapter (Cat. No. NRHDA) Technical Specifications Manufacturer Klein Tools Model / Part Number NRHD Product Classification 5-in-1 Square Lineman Deep Impact Socket Wrench Square Socket Sizes Included 3/4", 1", and 1-1/8" Square (4-Point) Hardware Engagement Features Small and Large Alignment Drive Slots (Pole Steps, Eye Bolts, J-Hooks) Drive Interface Size 7/16" Hex Quick-Change Shank & 1/2" Square Female Drive Hollow Barrel Clearance Length 6.00 inches (15.2 cm / 152.4 mm) Internal Hollow Shaft Diameter 0.8125 inches (13/16 in / 20.64 mm) Manufacturing Standard ASME B107.2 Impact Tool Specifications Socket Metallurgy High-Strength Forged Impact-Grade Alloy Steel Overall Tool Dimensions (L x W x H) 7.75 in x 1.75 in x 1.75 in (19.7 cm x 4.4 cm x 4.4 cm) Operating Net Weight 1.50 lbs (24.0 oz / 680.0 g) UPC Barcode 092644680212 Pro-Tip: When torquing crossarm bolts over long protruding threads, ensure the 6-inch hollow shaft is fully seated over the bolt shank; this maintains true axial socket alignment and prevents side-load camming under high impact torque.