Extron RSB 123 Wall mounted 1U Grey rack

1U, 89mm, grey The Extron RSB 123 Basic Rack Shelf for 3.5" Deep Products is a basic version of the Extron Rack Shelf. Like the RSF 123 Rack Shelf Kit, the Basic Rack Shelf holds up to four quarter-rack width, 1U high, Extron products side by side. The shelf is 3.5" (8.89 cm) deep and is designed so the underside of products mount to the shelf using the included hardware. Unlike the RSF 123, false faceplates are not included. Available in a gray powder coat finish.