StudioFX All Terrain Pro DSLR Camera Slider Dolly Track Video Stabilizer by Kaezi Photo (40" Slider) Very Smooth Ball Bearing Slide System / Size: 40" Includes 3/8" and 1/4" Mounting screw Includes carrying case BRAND NEW: All NEW noise reducing rail design and Fully adjustable All Terrain Legs mobilize any movie camera, video camera, digital camera or other piece of equipment