270lb Load Tested: Each panel of our Brukid heavy-duty wall shelf has been rigorously tested to support 135 lbs, with the 2-tier (1.3x4ft) unit offering a combined weight capacity of 270 lbs. Built for strength and reliability, it's perfect for heavy tools, equipment, or storage needs. Flexible & Adaptable Design: Featuring innovative sliding rail screws, Brukid's adjustable shelves can be installed on studs spaced anywhere within the 48-inch panel length. This design eliminates compatibility issues with uneven stud spacing, providing a hassle-free installation experience for any project. Tool-Free Assembly: All hardware is included for straightforward solo installation. The slotted rectangular tube supports allow each panel to slide and lock securely at your preferred height.