A professional product layout of the Klein Tools 32604INS insulated screwdriver, featuring the auto-locking handle with a slim-tip bit installed and four interchangeable insulated bits—Phillips, Slotted, and Square—designed for 1000V electrical safety.
An infographic labeled What’s Included, showcasing the 1000V rated 4-in-1 insulated screwdriver handle alongside a clear visual breakdown of the included bit tips: #2 Phillips, 1/8-inch and 1/4-inch Slotted, and #2 Square.
A technical diagram of the auto-locking collar on the Klein Tools insulated driver, illustrating the mechanical action to push the bit in to lock and slide the collar forward to unlock for rapid, secure bit changes.
A key features graphic highlighting the 1000V shock protection provided by impact and flame-resistant insulation, the extended-reach blade design, and precision-machined slim-tip bits for easier access to tight electrical spaces.
Close-up detail of the ergonomic handle emphasizing the specialized spin cap for improved control during delicate fastening and the integrated in-handle bit storage that securely holds all four interchangeable insulated bits.
Macro shot of the iconic Klein Cushion-Grip handle on the insulated screwdriver, demonstrating the professional-grade rubber overmold designed to provide greater torque and maximum user comfort during electrical work.
A clean product shot of the complete 32604INS 4-in-1 insulated multi-bit set against a white background, highlighting the high-visibility orange insulation and professional-grade construction for industrial and residential electricians.
Klein Tools Manufacturing promotional video
A professional product layout of the Klein Tools 32604INS insulated screwdriver, featuring the auto-locking handle with a slim-tip bit installed and four interchangeable insulated bits—Phillips, Slotted, and Square—designed for 1000V electrical safety.
An infographic labeled What’s Included, showcasing the 1000V rated 4-in-1 insulated screwdriver handle alongside a clear visual breakdown of the included bit tips: #2 Phillips, 1/8-inch and 1/4-inch Slotted, and #2 Square.
A technical diagram of the auto-locking collar on the Klein Tools insulated driver, illustrating the mechanical action to push the bit in to lock and slide the collar forward to unlock for rapid, secure bit changes.
A key features graphic highlighting the 1000V shock protection provided by impact and flame-resistant insulation, the extended-reach blade design, and precision-machined slim-tip bits for easier access to tight electrical spaces.
Close-up detail of the ergonomic handle emphasizing the specialized spin cap for improved control during delicate fastening and the integrated in-handle bit storage that securely holds all four interchangeable insulated bits.
Macro shot of the iconic Klein Cushion-Grip handle on the insulated screwdriver, demonstrating the professional-grade rubber overmold designed to provide greater torque and maximum user comfort during electrical work.
A clean product shot of the complete 32604INS 4-in-1 insulated multi-bit set against a white background, highlighting the high-visibility orange insulation and professional-grade construction for industrial and residential electricians.
Klein Tools Manufacturing promotional video
KLEIN TOOLS

Klein Tools 32604INS 4 in 1 Insulated Multi Bit Screwdriver 1000V Rated ASTM F1505 Auto Locking Handle Slim Tip Phillips Slotted Square Electrical Tool

In stock
SKU: 32604INS
$29.98 USD

Description

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Certified Electrical Safety: Klein Tools 4-in-1 Insulated Auto-Lock Multi-Bit Screwdriver

The Klein Tools 32604INS 4-in-1 Insulated Multi-Bit Screwdriver is a precision-engineered safety essential designed for professional electricians who demand both versatility and maximum protection. Rated for 1000V and meeting or exceeding ASTM F1505 standards, this driver features a dual-layer orange insulation that is both impact and flame-resistant, providing a critical safeguard when working near energized sources. The slim-tip geometry is specifically machined to grant effortless access into deep-set terminal blocks and highly confined electrical panels where standard insulated drivers often fail to reach. Whether you are performing commercial service work or residential panel maintenance, the 32604INS delivers the clinical accuracy and certified safety required for the modern jobsite.

Efficiency is built into every twist of the handle with the innovative auto-locking collar mechanism, which automatically secures your interchangeable bits with a simple push and releases them instantly with a forward slide. Forged from high-quality hardened steel, the kit includes the four most common electrical tips: #2 Phillips, #2 Square, and 1/4" and 1/8" Slotted. The iconic Klein Cushion-Grip™ handle provides superior torque and ergonomic comfort, significantly reducing hand fatigue during high-leverage fastening. With integrated in-handle bit storage to keep your hardware organized and within reach, this 4-in-1 insulated driver is a foundational requirement for any technical professional working in energized environments.

Key Features

  • 1000V Certified Protection: Meets or exceeds ASTM F1505 and IEC 60900 standards for elite electrical safety on energized lines.
  • Auto-Locking Bit Holder: Specialized collar automatically locks interchangeable bits into place with a push-in action for fast, secure bit changes.
  • Slim-Tip Precision Geometry: Machined profile allows for easy entry into tight terminal blocks and recessed breakers without damaging the insulation.
  • High-Torque Cushion-Grip™: Ergonomic rubber handle overmold provides maximum comfort and a non-slip grip in demanding industrial conditions.
  • In-Handle Storage: Integrated bit compartment keeps your Phillips, Slotted, and Square tips organized and prevents lost tools on the jobsite.
  • Flame and Impact Resistant: Durable orange insulating layer is engineered to withstand jobsite abuse and protect against electrical arcs.

What's Included

  • (1) 1000V Insulated Auto-Lock Multi-Bit Screwdriver Handle
  • (1) #2 Phillips Insulated Bit
  • (1) #2 Square Insulated Bit
  • (1) 1/4" Slotted Insulated Bit
  • (1) 1/8" Slotted Insulated Bit

Specifications

Brand Klein Tools
Model Number 32604INS
Voltage Rating 1000V
Safety Standard ASTM F1505 / IEC 60900
Handle Type Cushion-Grip™
Overall Length 8.5 in.
Shank Length 4.0 in.
Material Hardened Steel / Insulating Plastic
Bit Storage Integrated In-Handle
Product Weight 4.7 oz.
Application Work Near Energized Sources
UPC 092644329692

Pro-Tip: To keep your insulated bits in peak condition, never use them for prying or scraping, as this can nick the orange protective coating. Always store the bits inside the handle when not in use; if you ever see the white inner layer of the bit's insulation showing through the orange, it's time to replace that bit to ensure your 1000V protection remains uncompromised.