AudioRax Rack Rail Pair, Cut-To-Order | 21 Space (21U) | 1/2RU Spacing

19-inch rack mounting rails in cut-to-order, standard 21 space (21U) rack length. 4-hole design for 1/2RU spacing / ventilation of outboard gear. 1/8" thick heavy duty steel rail with tapped #10-32 holes. Black powder coat finish. Sold in pairs.