SKU: 60533048104

Klein Tools Hex Bit Set 47120INS 3/8 Inch Drive Insulated T Handle Set (9 Piece 1000V Rated ASTM F1505 Certified Class 2 Glove Extensions Lineman)

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Description

Klein Tools Hex Bit Set 47120INS 3/8 Inch Drive Insulated T Handle Set (9 Piece 1000V Rated ASTM F1505 Certified Class 2 Glove Extensions Lineman)Protect High Voltage Utility Maintenance Tasks and Track Insulation Wear with a Multi Layer Dielectric T Handle Array The Klein Tools 47120INS Insulated T Handle Hex SAE Bit Set is a professional grade 3 8 inch drive high voltage hand tool kit engineered for live line utility electrical operations up to 1000V. This 9 piece structural safety set features a three part insulation architecture certified to fulfill ASTM F1505 requirements for severe duty

Protect High-Voltage Utility Maintenance Tasks and Track Insulation Wear with a Multi-Layer Dielectric T-Handle Array

The Klein Tools 47120INS Insulated T-Handle Hex SAE Bit Set is a professional-grade 3/8-inch drive high-voltage hand tool kit engineered for live-line utility electrical operations up to 1000V. This 9-piece structural safety set features a three-part insulation architecture certified to fulfill ASTM F1505 requirements for severe-duty dielectric protection. Outfitted with an integrated white wear-indicator sub-layer that flags structural defects through the orange molding, this heavy-duty set leverages an oversized T-handle grip optimized for technicians utilizing Class 2 rubber insulating gloves to turn recessed switchgear components securely.

Best Used For:

  • Live-Line Utility Fastening: Driving heavy hex-head hardware blocks and connection couplers inside live high-voltage environments up to 1000V.
  • Recessed Infrastructure Maintenance: Passing deep into narrow industrial switchgear boxes, distribution transformer cores, and control panel cabinets via insulated extension bars.
  • High-Torque Gloved Applications: Achieving peak rotational leverage on stubborn power grid fasteners while working with thick Class 2 rubber insulating gloves.

Key Performance & Safety Features

  • 1000V Rated Protection: Engineered to satisfy rigid ASTM F1505 safety certifications for hazardous line operations.
  • White Wear-Indicator Layer: Crystalline middle layer alerts users to replace the tool instantly if the outer orange surface becomes compromised or sliced.
  • High-Torque T-Handle Profile: Oversized geometry channels muscle movement into uniform high-torque drive force without risking grip slippage.
  • Dual Insulated Extensions: Paired 3-inch and 6-inch intermediate bars deliver reliable modular length configurations for deep terminal bays.
  • Professional SAE Range: Precision-machined hex bits supply stable, non-slip 6-point interface contacts on fractional structural nuts.

What's Included

  • (1) 3/8-Inch Drive Insulated T-Handle Wrench
  • (1) 3-Inch Insulated Drive Extension Bar
  • (1) 6-Inch Insulated Drive Extension Bar
  • (6) Insulated SAE Hex Drive Bits: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8"
  • (1) Heavy-Duty Transport Carrying Case with Custom Foam Inserts

Technical Specifications

Brand Manufacturer: Klein Tools
Model Number (SKU): 47120INS
Product Type Category: Insulated T-Handle Hex Bit Set
Voltage Safety Limit: 1000V Maximum
Safety Standard Code: ASTM F1505 Certified
Drive Size Standard: 3/8 in Square Drive
Measurement standard: SAE (Imperial Fractional)
Handle Geometry Style: Oversized Insulated T-Handle
Primary Metallurgy Base: High-Strength Steel Alloy
Wrench Surface Finish: Satin Nickel Plating
Total Kit Component Count: 9 Pieces (Plus Protective Container)
Overall Case Length: 15.0 in
Overall Case Width: 11.0 in
Overall Case Height: 3.0 in
Total Structural Weight: 6.3 lbs
UPC Tracking Code: 092644610851

PRO-TIP: When seating bits into deeply recessed bus bar couplings, click the extension assembly onto the T-handle anvil first, then guide the hex tip straight into the fastener cavity until it seats flush. This inline alignment protects the outer molded insulation from scraping against sharp metallic enclosure borders, preserving the structural life of your safety gear.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60533048104

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Size: Small, Color: Textured Ring, Size: Small, Color: Textured Ring
I trust the Nylabone brand and would not buy a cheap substitute to save a few bucks. This ring is heavy duty. I got it for our 9-week-old puppy and it keeps her interested and entertained with all the little nubs. She uses it more as a toy than something to chew on, tossing it around and mouthing it. It's very hard so I'm not worried about her being able to chew off any little pieces at this point. This satisfies her for now and helps to keep her busy and reigns in some of her puppy energy. Recommend!
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Reviewed in the United States on March 9, 2026
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Nunya B
Grantham, US
★★★★★ 5
Strong
Size: Small, Color: Textured Ring
My French Bulldogs have really strong jaws and are aggressive chewers. These really are sturdy and last a good amount of time. I replace every couple of months and they are one of my dogs favorites and easy for them to hold onto.
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Reviewed in the United States on April 25, 2026
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Marie Phillips
Bozeman, US
★★★★★ 4
Durable Chew Toy That Actually Holds Up to Strong Jaws
Size: Large, Color: Bundle
This is a reliable option for a heavy chewer, especially for a large breed with a strong bite. The material feels tough and well-made, and it stands up well to consistent chewing without immediately breaking down like softer toys tend to do. It also gives a bit of dental benefit by helping reduce plaque and tartar buildup during play, which is a nice bonus since brushing isn’t always realistic. The textured surface keeps it interesting enough to hold attention for a while, and it doesn’t splinter or create a mess. Overall, it’s a solid, durable chew toy that works well for strong chewers who tend to destroy most standard toys quickly.
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Justina Stone
Waukegan, US
★★★★★ 5
Ergonomic good, material so, so
Size: Large, Color: Wishbone
Nice ergonomic, but the plastic come off and dog chew it. I had rather have a stronger material adequate for bigger dogs.
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