Kamerar 23" Video Camera Slider Rail Track Slider Stabilizer Linear Stabilization Rail System for SLR/DSLR Cameras Camcorders Video Photography All metal slider machined with a black anodized finish. Tough engineered with lasting durability. Smooth Slides up to 5 lbs. Four 1/4" Threads for Friction Arm. Red Anodized Slider Carrier w/ Bubble Level The red anodized carrier slides using Kamerar's compound friction plate for smooth noise-free operation. Adjustable Feet for Leveling. Use on a tripod or on a flat surface with included feet. For more information please refer to Kamara website