1000V Insulated Metric Open-End Wrenches for Electrical Safety and Modern Fasteners

Our 1000V insulated metric open-end wrenches are designed for electricians, utility professionals, EV technicians, and industrial maintenance teams who require safe, fast access to metric fasteners when working on or near energized electrical systems. These tools provide reliable performance while helping reduce the risk of electrical shock.

Metric wrenches are sized in millimeters and are used on modern equipment, EV systems, and international hardware. Open-end wrenches feature a U-shaped jaw that allows quick side-entry engagement, making them ideal for tight or obstructed spaces where sockets or box-end wrenches cannot be used.

Designed for Speed and Accessibility

Open-end wrenches allow fast placement and removal without fully removing the tool from the fastener. This makes them ideal for confined spaces, crowded assemblies, and repetitive fastening tasks.

Key Features

• 1000V insulated for electrical safety
• Designed for metric fasteners (millimeter sizing)
• Open-end jaw for quick side-entry access
• Angled head for improved reach in tight spaces
• Durable construction for professional use
• Available as individual sizes or sets

Applications

• Electrical panels and switchgear
• EV and hybrid vehicle systems
• Industrial and commercial maintenance
• Utility and substation environments
• Fastening in tight or obstructed areas

Metric vs SAE Wrenches

Metric wrenches are used for fasteners measured in millimeters and are standard in modern and international equipment. SAE wrenches are used for inch-based fasteners commonly found in older U.S. systems. Using the correct system ensures proper fit and prevents fastener damage.

Open-End vs Box-End Wrenches

Open-end wrenches provide faster access and are ideal for tight spaces, while box-end wrenches offer a more secure grip for high-torque applications. Choosing the right tool depends on the application and working conditions.

Why Insulated Metric Wrenches Matter

Working on electrical systems requires tools that provide both precision and protection. Insulated metric open-end wrenches help reduce the risk of electrical shock while allowing professionals to work efficiently with modern fasteners.

Professional Tools for Electrical Applications

Whether you're working in EV systems, industrial equipment, or electrical panels, our insulated metric open-end wrenches provide the safety, durability, and performance required for professional use.

 1000v METRIC OPEN END WRENCHES 

AVAILABLE INDIVIDUALLY OR AS A SET

1000v METRIC OPEN END WRENCH

S248306 OPEN END WRENCH 6 MM $34.96	S248307 OPEN END WRENCH 7 MM $34.96	S248308 OPEN END WRENCH 8MM $35.93	S248309 OPEN END WRENCH 9MM $35.93
S248310 OPEN END WRENCH 10MM $35.93	S248311 OPEN END WRENCH 11MM $35.93	S248312 OPEN END WRENCH 12MM $35.93	S248313 OPEN END WRENCH 13MM $35.93
S248314 OPEN END WRENCH 14MM $46.61	S248315 OPEN END WRENCH 15MM $46.61	S248316 OPEN END WRENCH 16MM $46.61	S248317 OPEN END WRENCH 17MM $46.61
S248318 OPEN END WRENCH 18MM $48.55	S248319 OPEN END WRENCH 19MM $52.44	S248320 OPEN END WRENCH 20MM $52.44	S248321 OPEN END WRENCH 21MM $52.44
S248322 OPEN END WRENCH 22MM $56.32	S248323 OPEN END WRENCH 23MM $62.15	S248324 OPEN END WRENCH 24MM $67.79	S248325 OPEN END WRENCH 25MM $75.74
S248326 OPEN END WRENCH 26MM $87.40	S248327 OPEN END WRENCH 27MM $97.11	S248328 OPEN END WRENCH 28MM $108.76	S248329 OPEN END WRENCH 29MM $108.76
S248330 OPEN END WRENCH 30MM $111.67	S248332 OPEN END WRENCH 32MM $116.52	S248336 OPEN END WRENCH 36MM $165.01	S248341 1000v Insulated 41mm Open End Wrench $388.50
S248346 1000v Insulated 46mm Open End Wrench $424.49	S248350 1000v Insulated 50mm Open End Wrench $514.49	S241814 - OPEN END WRENCH SET 13 PC 7MM - 19MM $551.72	S241818 - OPEN END WRENCH SET 17 PC 7MM - 24MM $795.65
S241820 1000v Insulated Open End Wrench Set - 5 Pieces (32mm - 50mm) $1,809.54