Available in ATPV ratings of 12 to 100 cal/cm2. These gloves are sewn with nomex thread All are made with FR material. All Arc flash are 14' long and designed in anclute cut style one size fits most Caution: ARC FLASH gloves do not provide electrical protection. Do not use when insulating rubber gloves (V rated gloves) are required. Important : NFPA 70E does not have a hazard risk category above 40 cal/cm2 Working on levels above 40cal/cm2 should be avoided because of the blast hazards caused by arc flash.