Our insulated box end wrenches provide certified protection for professionals working on live circuits up to 1000V. Each wrench meets rigorous ASTM F1505 and IEC 60900 safety standards, with double-layer insulation that's either precision-molded or high-density dipped for complete electrical isolation.
Key Features:
- 1000V Voltage Protection - Safely work on energized electrical systems
- Anti-Slip Box End Design - Full fastener engagement prevents rounding
- Durable Forged Steel - Industrial-grade strength for demanding jobs
- Corrosion-Resistant Coating - Withstands harsh work environments
- Ergonomic Comfort Grip - Reduced hand fatigue during extended use
Technical Specifications:
✓ Safety Standards: ASTM F1505 & IEC 60900 compliant
✓ Material: Chrome vanadium steel with insulated coating
✓ Insulation: Double-layer high-density plastic
✓ Finish: Anti-corrosion treated
Professional Applications:
• Electrical panel maintenance
• Industrial equipment service
• HVAC system repairs
• Automotive electrical work
• Utility and telecom installations
Why Professionals Choose Our Wrenches:
→ Certified protection for live circuit work
→ Precision engineering prevents fastener damage
→ Durable construction for daily professional use
→ Complete peace of mind with safety compliance
Available in Complete Sets or Individual Sizes
Upgrade your professional toolkit with these safety-certified insulated wrenches - essential protection for anyone working on energized systems. Browse our full range of sizes and sets to find your perfect fit.
Note: Always verify proper insulation condition before each use on live circuits.
| Model Number | Description |
|---|---|
| MS21-11/16-PTA | Wrench, Single Head Cranked Ring 11/16" |
| MS21-1-1/16-PTA | Wrench, Single Head Cranked Ring 1-1/16" |
| MS21-1-1/4-PTA | Wrench, Single Head Cranked Ring 1-1/4" |
| MS21-1-1/8-PTA | Wrench, Single Head Cranked Ring 1-1/8" |
| MS21-13/16-PTA | Wrench, Single Head Cranked Ring 13/16" |
| MS21-15/16-PTA | Wrench, Single Head Cranked Ring 15/16" |
| MS21-1-PTA | Wrench, Single Head Cranked Ring 1" |
| MS21-3/4-PTA | Wrench, Single Head Cranked Ring 3/4" |
| MS21-3/8-PTA | Wrench, Single Head Cranked Ring 3/8" |
| MS21-5/16-PTA | Wrench, Single Head Cranked Ring 5/16" |
| MS21-5/8-PTA | Wrench, Single Head Cranked Ring 5/8" |
| MS21-7/16-PTA | Wrench, Single Head Cranked Ring 7/16" |
| MS21-7/8-PTA | Wrench, Single Head Cranked Ring 7/8" |
| MS21-9/16-PTA | Wrench, Single Head Cranked Ring 9/16" |