Ergotron 31-017-182 26 Wall Track with cable management channel covers Type: Wall Track Specifications: OSHPD Pre-approval Number OPA-0620 Fasteners for attaching to wall not included. Fasteners may be purchased from Ergotron: part number 97-531 for metal or wood studs; part number 90-011 for hollow walls Separately-order brackets required to attach Ergotron components: part number 97-091 for LX & MX Arms, Neo-Flex Wall Mounts, 400, 200 and 100 Series Arms and Pivots, and Universal CPU Holder; part number 60-156 for Medium and Small CPU Holders Dimensions: 26 x 5 x .87 (660 x 127 x 22 mm) Shipping Weight: 4 lbs (1.8 kg) Weight: 4.9 Parts: 5 years limited Labor: 5 years limited