Middle Atlantic SH-SRSR Zero-Space Rackshelf for SRSR racks - 15.5 inches DeepDesigned expressly for use in our Slim 5, AXS, SRSR, WR, BRK and OBRK equipment racks, SH Series zero space rackshelves feature full depth front and rear rackmounting, providing a secure shelf for non rackmount components. A truly unique design, these zero space shelves actually mount to the sides of the rackrail (not the threaded face) providing more useable shelf area and feature up to a robust 250 lb. weight capacity, depending on model. Two handy