Premier Pre-assembled 30 Wall Gearbox - Silver Tread Storage SolutionThe 30 wall gearbox features the long lasting welded steel durability of the gladiator premier series. The wall gearbox conveniently mounts directly to bare studs and drywall or onto gladiator wall systems to provide versatility for your changing storage needs. The quality of this wall gearbox is backed by a hassle free, lifetime limited warranty.