Rack rail in pre-cut, standard 6 space (6U) rack length. Perfect for building your own rack cabinet. 1/8" thick heavy duty steel rail with tapped 10/32" holes. Black powder coat finish. Standard rack 1/2" and 1-1/4" o.c. alignment. 10-1/2" in length. Sold in pairs. Mfg. #R0821/6.