1、There is a bearing on each side of the channel to maximize load carrying capacity. 2、Large central cavity provides protection for motors, batteries and internal drive components. 3、Channel provides multi‑directional support because it has mutually perpendicular surfaces. 4、The channel uses high‑quality aluminum alloy, which is after anodizing treatment. 5、Low‑side U‑channel provides similar structural integrity as the 3120 Series U‑Channel while saving on real‑estate. The reduced height of the sides allows more compact building while still providing three sides to build off of. 6、An excellent choice when building a chassis with motors running perpendicular to the direction of the channel! Conditon: 100% Brand New Item Type: U-ChannelModel: 3121‑0009‑0240 Material: Aluminum Alloy Color: As Pictures ShownSize: Approx. 24 x 4.8 x 1.2cm/9.4 x 1.9 x 0.5in Processing: Anodizing Packing Quantity: 1pcFitment: Fit for FTC Fit for gobilda Fit for rev robotics Fit for FRC Fit for FIRST Fit for FLL Fit for WRO Fit for tetrix Fit for ServoCity Fit for STEAM Fit for VEX ROBOT Fit for andymark Fit for MATRIX Fit for STEM Fit for Pitsco Education 1 x U-Channel