Klein Tools 47140INS 1000V insulated 8-piece box end wrench set product display, showing an orange heavy-duty carrying case with foam inserts alongside eight individual metric-sized utility wrenches lined up symmetrically, all featuring a dual-layer orange and black structural design isolated on a white background.
A marketing graphic titled What's Included, displaying the eight individual Klein Tools 1000V insulated box end wrenches in ascending order by size, explicitly marked with icons and labels for 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, and 13/16 inch fractional parameters against a white background.
A close-up product callout graphic highlighting the 1000V Rated with Three-Part Insulation feature on a 13/16-inch Klein Tools insulated box end wrench, showcasing a detailed inset diagram pointing out the white wear indication layer under the orange handle material for live-line high-voltage shock protection.
An open Klein Tools protective premium carrying case shown from an angled perspective, showcasing precision-cut carbon-textured custom foam inserts holding the eight insulated box end wrenches tightly in place within a rugged, lockable bright orange impact-resistant hardshell mold.
A detailed close-up shot of a 3/4-inch Klein Tools insulated box end wrench, focusing on the specialized stepped box end design engineered to provide better clearance and easier access to nuts and bolt fasteners located in tight, hard-to-reach commercial electrical distribution spaces.
An informative tool diagram titled Engineered for Class 2 Gloves, showing a close-up profile view of an operator's hand wearing a thick leather and rubber high-voltage lineman glove firmly holding onto the oversized handle of a 13/16-inch insulated wrench to demonstrate a comfortable and secure grip.
A close-up field graphic showing a worker wearing a Class 2 electrical safety glove lifting an insulated box end wrench out of its custom foam insert case layout, with a text label pointing out that tools are stored in an offset position for an easy reach during live-line hot system repairs.
Klein Tools 47140INS 1000V insulated 8-piece box end wrench set master product configuration, displaying the orange heavy-duty carrying case with custom foam inserts alongside eight individual fractional utility wrenches lined up symmetrically, featuring a dual-layer orange and black structural design on a white background.
The Name on the Tools is Our Reputation promotional how to video
Klein Tools 47140INS 1000V insulated 8-piece box end wrench set product display, showing an orange heavy-duty carrying case with foam inserts alongside eight individual metric-sized utility wrenches lined up symmetrically, all featuring a dual-layer orange and black structural design isolated on a white background.
A marketing graphic titled What's Included, displaying the eight individual Klein Tools 1000V insulated box end wrenches in ascending order by size, explicitly marked with icons and labels for 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, and 13/16 inch fractional parameters against a white background.
A close-up product callout graphic highlighting the 1000V Rated with Three-Part Insulation feature on a 13/16-inch Klein Tools insulated box end wrench, showcasing a detailed inset diagram pointing out the white wear indication layer under the orange handle material for live-line high-voltage shock protection.
An open Klein Tools protective premium carrying case shown from an angled perspective, showcasing precision-cut carbon-textured custom foam inserts holding the eight insulated box end wrenches tightly in place within a rugged, lockable bright orange impact-resistant hardshell mold.
A detailed close-up shot of a 3/4-inch Klein Tools insulated box end wrench, focusing on the specialized stepped box end design engineered to provide better clearance and easier access to nuts and bolt fasteners located in tight, hard-to-reach commercial electrical distribution spaces.
An informative tool diagram titled Engineered for Class 2 Gloves, showing a close-up profile view of an operator's hand wearing a thick leather and rubber high-voltage lineman glove firmly holding onto the oversized handle of a 13/16-inch insulated wrench to demonstrate a comfortable and secure grip.
A close-up field graphic showing a worker wearing a Class 2 electrical safety glove lifting an insulated box end wrench out of its custom foam insert case layout, with a text label pointing out that tools are stored in an offset position for an easy reach during live-line hot system repairs.
Klein Tools 47140INS 1000V insulated 8-piece box end wrench set master product configuration, displaying the orange heavy-duty carrying case with custom foam inserts alongside eight individual fractional utility wrenches lined up symmetrically, featuring a dual-layer orange and black structural design on a white background.
The Name on the Tools is Our Reputation promotional how to video
KLEIN TOOLS

Klein Tools 47140INS 1000V Insulated Box End Wrench Set 8 Piece Heavy Duty Utility Wrench Kit Wear Indicator Live Line Shock Protection Case

Only 3 left
SKU: 47140INS
$299.99

Description

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Protect Your Utility Crew and Maximize Torque Control on Live-Line Systems with 1000V Dielectric Certified Box End Wrenches

Defend your high-voltage utility workspace and execute heavy structural fastening tasks smoothly using the professional-grade Klein Tools 47140INS 8-Piece 1000V Insulated Box End Wrench Set. Meticulously engineered for certified lineman crews, commercial industrial electricians, plant maintenance specialists, and power grid contractors, this master utility array completely eliminates live-line touch hazards where there is absolutely no room for error. Working with unrated basic mechanical wrenches or generic metal options near energized transformer busbars, overhead switch gears, or active underground feeder banks introduces a massive hazard of violent arc-flash overs and contact shock. This heavy-duty Klein installation set counters those tactical safety limits directly, wrapping every structural tool frame in a proprietary three-part insulation shield designed to thoroughly isolate hands from current surges pulsing up to 1000 volts.

Forged from rugged industrial-grade tool steel and finished with an advanced overmolded plastic protective matrix, this 8-piece master layout includes the most commonly used utility sizes ranging from 3/8-inch up to 13/16-inch to satisfy your essential infrastructure tasks. Every component incorporates a specialized stepped-down box end design that provides greater physical clearance and wrench placement access in hard-to-reach, confined terminal configurations. To preserve field handling control, the set features oversized handles specifically optimized to deliver immense rotational torque and a secure non-slip grip when operated while wearing thick Class 2 electrical safety gloves. Complete with a built-in white wear indication layer that instantly alerts crews when the insulation has been structurally compromised, the entire set packs away into a foam-lined heavy-duty carrying case to stay perfectly protected and ready for your next field assignment.

Key Features

  • ASTM F1505 Certified Three-Part Insulation: Purpose-built for high-voltage live-line operations up to 1000V with absolute shock isolation parameters.
  • Visual White Wear Indicator: Inner warning core layer alerts linemen immediately if the outer dielectric polymer coating becomes compromised or scored.
  • Oversized High-Torque Handles: Custom grip profiles engineered specifically to maximize leverage and handle comfort while wearing bulky Class 2 safety gloves.
  • Stepped Box End Profile Design: Clever angled geometry offsets the wrench face, granting seamless access to deeply recessed bolts and tight nuts.
  • Foam Lined Heavy-Duty Case: Premium rugged outer shell housing holds all eight pieces securely in dedicated slots to ensure clean jobsite storage.

What's Included

  • (1) 3/8" 1000V Insulated Box End Wrench
  • (1) 7/16" 1000V Insulated Box End Wrench
  • (1) 1/2" 1000V Insulated Box End Wrench
  • (1) 9/16" 1000V Insulated Box End Wrench
  • (1) 5/8" 1000V Insulated Box End Wrench
  • (1) 11/16" 1000V Insulated Box End Wrench
  • (1) 3/4" 1000V Insulated Box End Wrench
  • (1) 13/16" 1000V Insulated Box End Wrench
  • (1) Heavy-Duty Foam-Lined Storage Carrying Case

Specifications

Specification Profile Details / Performance Value
Brand Name Klein Tools
Model Number (OEM Part) 47140INS
Tool Variant Type Insulated Box End Wrenches
Primary Application Tightening or Loosening Bolts and Nuts Near Energized Sources
Dielectric Insulation Rating 1000 Volts Maximum Compliance Shielding
Core Fastener Configuration Stepped Box End Profile
Safety Feature Highlights Three-Part Layer Insulation Matrix with White Wear Indicator
Structural Materials Forged Steel Core with Overmolded Plastic Dielectric Coating
Total Component Pieces in Set 8 Individual Wrench Modalities
Wrench Measurement Scale Imperial SAE Standard Size Range
Total Package Overall Length 15.00 inches
Total Package Overall Width 11.00 inches
Total Package Overall Height 3.00 inches
Total Combined Package Weight 6.40 lbs
Compliance Standards Matrix Meets or Exceeds ASTM F1505-16 and IEC 60900 Specifications
Universal Product Code (UPC) 092644610875

Pro-Tip: To safely protect the multi-layer overmolded insulation on these box end wrenches, never strike the wrench frame with a hammer or mallet to break loose rusted or frozen fasteners. Sharp high-velocity impact shocks can crack or slice the dielectric polymer layer, exposing the underlying bare tool steel core. Instead, ensure the box end loop sits completely flush and square over the bolt head to smoothly distribute your physical turning torque while keeping your bulky Class 2 safety gloves well clear of sharp frame edges.