Mounting Rails Self-Adhesive Product Type Blocking Bar Holder For Use With Circuit Breakers Color Yellow For Maximum Padlock Shackle Diameter 5/16 in For Voltage 480/600V AC Material Fiberglass Reinforced Nylon Maximum Number of Padlocks 7 Overall Height 0.8 in Overall Length 4 in Resistance Properties Chemical Resistant Standards RoHS 2011/65/EU Compliant RoHS 2015/863 Compliant Package Quantity 2