brand new and high quality Feature: Carbon Fiber material of Rail Rods makes the slider in great rigidity and stability and also perfect smooth sliding with 4 superior bearing rollers; Loading Capacity up to 11lbs/5KGs Great Compatibility 1/4 inches screw mount for Smartphones,Phones, DSLR cameras, camcorder, home DV and 1/4 inches screw hole on bottom for tripod, monopod or camera dolly. One 1/4 to 3/8 screw adapter is included for wider compatibility for other devices (Noted: Phone Clip and tripod for head are not included) Precise Control Built-in Bubble Level on Slider base plate, EVA buffer Stoppers on both ends and fine tuning damping locking knob make it more easier in controlling. Easy to setup everything are well assembled together, can be used immediately from shipping box. Specifications: Material: Aluminum alloy Color: Black Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes: 1 PCS