Front and back lids foamed eggs sheet foam and mounted velcro straps for manage cables and accessories. Front and rear double rack rails and numbers of install rack rail screws, washers, cage nuts are included. Provided with recessed steel galvanized butterfly latches, recessed spring-loaded handles with rubber grip, steel ball-corner and stiffener, professional aluminium profile and industrial grade rubber feet. Black laminated water and scratch-resistant covering. Proel SA-18BLKM – 19′ Professional “COMBO” rack cases with 10U height adjustable mixer space, made by 5-Ply, phenolic-bond marine plywood, 9 mm thickness.