Effectively locate wires and increase your safety using these junction boxess comes with pop out holes to allow passage of wires material cover polypropylene flame retardant material box polyethylene flame retardant measurements 72 x 72 x 35 mm pack of 10 cutting device to the introductions material cover polypropylene flame retardant material dose polyethylene flame retardant 72 x 72 x 35 mm 10er pack