Every single Wiha insulated tool is individually tested to 10,000 volts AC and rated to 1,000 volts AC (1,500 volts DC) for safety and peace of mind in energized applications. All Wiha Insulated tools meet ASTM F1505 standard specifications for insulated and insulating hand tools and CSA testing benchmarks for safety and performance. 
Wiha premium quality Insulated Hex Sockets are designed and engineered by Wiha Germany. You can invest with confidence knowing that this product is backed by the Wiha No Hassle Guarantee.

• Individually tested to 10,000 volts AC and rated to 1,000 volts AC for safety and peace of mind
• Wiha engineered premium quality tool steel for strength and durability
• Double Covered Insulation - Red Over Yellow High Visibility Coatings
• Molded Directly onto the Socket
• Meets ASTM F1505 standard specifications for insulated and insulating hand tools
• Meets CSA testing benchmarks for safety and performance
• Designed and engineered by Wiha Germany