- Set Includes: 5/32, 3/16, 7/32, 1/4, 5/16, 3/8"
- Individually tested to 10,000 volts AC and rated to 1,000 volts AC for safety and peace of mind
- Black oxide finish for corrosion protection
- Wiha premium quality tool steel for strength and durability
- Through Hardened Durability - Avg 58-60 HRC
- Meets ASTM F1505 standard specifications for insulated and insulating hand tools
- Meets NFPA-70E standard for electrical safety on the job-site
- Meets CSA testing benchmarks for safety and performance
- Meets VDE testing standards for protection against arc flash explosion