Ikan ES-120 E-Image 48" Carbon Fiber Slider (Black) Hand , Motor, or Crank Operation (motor optional) Adjustable Fly Wheel to Dial in Preferred Resistance Sturdy Light Weight 10 Layer Carbon Fiber Extremely Smooth Sealed-Bearing 12 Wheel Guides. Large 5x5" Camera Platform supports 50lbs Weight Capacity Rigid 44.5inches Slider Rails and Large Center Cheese plate Mount. Integrated 5/8inches Stand Receivers. Recommended for Location/Studio Cinematography, Time lapse Shooting and Cinematic Dolly Moves