Heavy-Duty Solid Steel Construction: Built to handle tough workshop environments. Crafted from industrial-grade steel with rust-resistant finish, this 3-level storage rack supports massive weight without bending. Safely load heavy lumber, Pvc pipes, and metal tubing. Weight Capacity of 330 lbs: Each shelf holds up to 110 lbs, total capacity 330 lbs. Quick Installation: Includes all mounting hardware and instruction guide. Locate wall studs, align vertical bars, and secure. Mount into wood studs or concrete for maximum capacity. Versatile Organizer: Extended support arms store gutters, ladders, snowboards, skis, surfboards, and outdoor chairs. Weight: 15.03 pounds.