Table top Dolly Skater the wheel comes with hollowing design with dimension 6.5cm and thickness 2cm wrapped with anti-shaking flexible glue and makes the image stable and non-shaking. Meanwhile it’ll not change the direction of the shooting way can be set with any direction of the shooting angle or set with 45 degree from left or right side to go ahead. Be able to install with Ball-head and design with 3 1/4 screws which is convenient for installation with Support Ball-head Hot-shoe etc to make it more simple to work with video accessories like: video LED lighting Cameras LCD monitor Microphones etc. Features: Super mute Exact sliding non-shaking; Replacing the Cam-slider on table top; Be able to perfectly move for shooting after adjusting angle from front or back; Weight loading up to 10KG; Suitable for kinds of professional DSLR cameras or camcorders such as 5D Mark ii 7D or 60Detc.