Choose between lightweight aluminum blank panels that are easily machined or durable steel panels. Contractor and Shop Packs are also available, providing a cost effective, space-efficient way to stock the blank panels you use most frequently. Blank panels in Contractor packs are individually poly-bagged for protection. Choice of flanged, flat or hinged styles, steel or aluminum construction. Sizes from 1/3 RU up to 6 RU blank panels. Choice of flat black powder coat, textured black powder coat, black wrinkle powder coat or black brushed and anodized. Order a single blank panel or a shop pack of 50 panels.Choose between lightweight aluminum blank panels that are easily machined or durable steel panels. Contractor and Shop Packs are also available, providing a cost effective, space-efficient way to stock the blank panels you use most frequently. Blank panels in Contractor packs are individually poly-bagged for protection. Choice of flanged, flat or hinged styles, steel or aluminum construction. Sizes from 1/3 RU up to 6 RU blank panels. Choice of flat black powder coat, textured black powder coat, black wrinkle powder coat or black brushed and anodized. Order a single blank panel or a shop pack of 50 panels.