1000v Insulated Box End Wrenches 

**NEW** OFFSET BOX WRENCHES

AVAILABLE INDIVIDUALLY OR AS A SET

1000V Insulated Box-End Wrenches for Electrical Safety and Maximum Grip

Our 1000V insulated box-end wrenches are designed for electricians, utility professionals, EV technicians, and industrial maintenance teams who require safe, high-torque fastening when working on or near energized electrical systems. These tools provide a secure, enclosed grip on fasteners while helping reduce the risk of electrical shock.

Box-end wrenches feature a closed-loop design that fully surrounds the fastener, allowing for stronger engagement and reduced slipping compared to open-end or adjustable wrenches. With 1000V insulation, they provide an added layer of protection in high-voltage environments.

Designed for Strength and Control

The enclosed box-end design distributes force evenly across the fastener, improving torque transfer and minimizing the risk of rounding or damage. This makes them ideal for demanding applications where precision and reliability are critical.

Key Features

• 1000V insulated for electrical safety
• Closed-loop box-end design for secure fastener engagement
• Reduced slipping compared to open-end wrenches
• High torque capability for demanding applications
• Available in SAE and Metric sizes
• Durable construction for professional use

Applications

• Electrical panel and switchgear work
• Industrial maintenance and repair
• EV and hybrid vehicle systems
• Utility and substation environments
• High-torque fastening applications

Box-End vs Open-End Wrenches

Box-end wrenches provide a more secure grip and higher torque capability, making them ideal for tight or high-load fasteners. Open-end wrenches offer quicker access but are more prone to slipping. Choosing the right tool depends on the application and required torque.

Choosing the Right Wrench

SAE sizes are commonly used for standard U.S. fasteners, while metric sizes are used in modern and international equipment. Selecting the correct size ensures proper fit and prevents fastener damage.

Why Insulated Box-End Wrenches Matter

Working on electrical systems requires tools that provide both strength and protection. Insulated box-end wrenches help reduce the risk of electrical shock while delivering the grip and torque needed for professional fastening tasks.

Professional Tools for Electrical Applications

Whether you're working in electrical systems, industrial environments, or high-voltage applications, our insulated box-end wrenches provide the safety, durability, and performance required for professional use.

INSULATED BOX WRENCH SAE 1/4" TO 1" From $33.99	INSULATED BOX WRENCH SAE 1 1/6" to 2" From $105.84	INSULATED BOX WRENCH METRIC 6mm TO 19mm From $34.96	INSULATED BOX WRENCH METRIC 20mm TO 36mm From $52.44
1000v INSULATED SAE OFFSET BOX END WRENCHES (SIZES 5/16" - 1-1/4") From $38.99	1000v INSULATED METRIC OFFSET BOX WRENCHES (SIZES 6MM - 22MM) From $39.96	S241708-B - 8 Piece SAE Box Wrench Set 3/8" - 13/16" $355.95	S241780-B - 8 Piece SAE Box Wrench Set 1" - 1-1/2" $1,135.88
S241790-B - 6 Piece SAE Box Wrench Set 1-5/8" - 2" $1,980.08	S241713-B - 13 Piece SAE Box Wrench Set 1/4" - 1" $594.59	S241814-B - 13 Piece Metric Box Wrench Set 7mm - 19mm $551.72	S241714-B - 14 Piece SAE Box Wrench Set 3/8" - 1-1/4" $870.03
S241818-B - 17 Piece Metric Box Wrench Set 7mm - 24mm $795.65	13 PIECE OFFSET BOX WRENCH SET (Sizes 5/16" - 1-1/2" w/Tool Roll) $1,142.29