Blocking Bar Product Type Breaker Blocker Bar For Use With Circuit Breakers Color Red For Voltage 480/600V AC Material Fiberglass Reinforced Nylon Overall Length 7.75 in Overall Width 7.6 in Resistance Properties Chemical Resistant Standards ANSI Z244 OSHA 29 CFR 1910.147 (C) (4) (ii) (A) (1) / (c) (5) (ii) (C) (1) Package Quantity 5