(1 PAIR) PENN ELCOM 12U / 12 SPACE Rack Rails 21" total length sku# R0828-12

(1 PAIR) PENN ELCOM 27U / 27 SPACE Rack Rails 47-1/4" total length sku# R0828-27

(1 PAIR) PENN ELCOM 16U / 16 SPACE Rack Rails 28" total length sku# R0828-16

(1 PAIR) PENN ELCOM 18U / 18 SPACE Rack Rails 31-1/2" total length sku# R0828-18

(1 PAIR) PENN ELCOM 10U / 10 SPACE Rack Rails 17-1/2" total length sku# R0828-10

(1 PAIR) PENN ELCOM 20U / 20 SPACE Rack Rails 35" total length sku# R0828-20

(1 PAIR) PENN ELCOM 8U / 8 SPACE Rack Rails - 14" total length sku# R0828-08

(1 PAIR) PENN ELCOM 9U / 9 SPACE Rack Rails - 15-3/4" total length sku# R0828-09