Penn Elcom Double Rack rails Sold separately. sizes16,18,20,21,22, R0883-XX, | eBay
Penn-Elcom R1286/2UVK Perforated Rack Panel 2U
Penn Elcom Wall Mount Rack 12U 250mm/9.84 Inch Deep Glass Door R6425 PennElcomOnline.com
Penn Elcom 32U Rack Enclosure M6 Rail 600mm / 23.62in x 600mm / 23.62in R4066-32UK PennElcomOnline.com
Amazon.com: Penn Elcom R0828/12 Steel Rack Rail for Mounting Audio, Home Theatre, Recording Studio, PA Equipment, IT, One Pair Tapped and Thredded for 10/32 UNF, M5 or M6, 12 Rack Spaces (12U) :
Penn Elcom R1194/1UK 1U 19'' Rack Mount Shelf, Black at Gear4music
Penn Elcom R1372/UVK Hinged Vented Rack Panels | Redco Audio