【INDUSTRIAL-STRENGTH DURABILITY】Crafted from reinforced 2mm thick steel and backed by a patent-pending A-frame design, this rack withstands up to 440LBS (200kg) of weights. Rigorously tested for commercial-grade stability - holds 5 pairs of dumbbells securely without wobbling, ideal for your workout exercises【360° SILENT WHEELS WITH LOCKING BRAKES】Upgraded PU-coated casters glide like butter on any floor (concrete, wood, tiles), while dual locking brakes prevent accidental movement. Effortlessly reposition your entire dumbbell collection in seconds – perfect for multi-functional home gyms【Space-Saving Genius Design】Compact footprint (12.5”L x 10.6”W) occupies less space than a yoga mat. Vertical storage helps you to save up to 60% more floor area vs traditional racks. Ultra-light 11LB frame moves anywhere – ideal for apartments/garage gyms【15-Minute Tool-Free Assembly】Pre-drilled steel components snap securely with our patented interlocking design – no tools, hardware, or complex instructions needed. Engineered for single-person assembly with seamless alignment – even for first-time fitness equipment owners【Lifetime Fitness Equipment Support】Backed by industry-first "Zero Hassle" lifetime coverage: If your 5-tier dumbbell rack ever bends, warps or rusts, receive replacement parts or full unit. Includes 24/7 expert support via chat/emailNote: To ensure the stability and safety of the product, the brake pad mechanism of the wheels will be very tight and you may find it difficult to press down. We strongly recommend that you secure the product by putting your foot on the edge of the brake pads with sneakers