Salisbury PRO-TOOL™ Insulated Tools & Tool Kits are tested to 10,000 VAC for use up to 1,000 VAC. The tools meet or exceed ASTM F1505-01 and IEC 900 Standards for Insulated Hand Tools and will help you comply with OSHA 1910.333 (c)(2) and NFPA 70E 2000. Made in the U.S.A., the tools’ insulating material is impact-resistant and flame-retardant.Salisbury, Skokie, IL.