FPI Insulated wrenches protect employees & equipment from shock and overflash. Insulated box end wrench sets allow telephone & electric utility personnel to work around energized bus bars or back-up batteries safely.
Standard 11 piece kits have the following sizes:
11 PIECE: 3/8",7/16",1/2",9/16",5/8",11/16",3/4", 13/16" 7/8", 15/16", and 1" with canvas pouch
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