Half the price than other stores.
4 U-shaped Ball Bearings: U-shaped ball bearings under the slider part to ensure both smooth motion and minimum abrasion on aluminum alloy tubes
Flexible Uses: The track can be used on the ground or worked with tripod. It can be directly connected with camera, or indirectly connected with camera via ball head
Multi-Angle Shooting: Available for vertical, horizontal and 45 degrees shooting by using the threaded holes in the slider
Adjustable and Secured Legs: Height of legs could be adjusted from 8.5 centimeters to 10 centimeters; Gear-shaped joint interface and locking knobs for better position locking for the legs
Convenient Carrying Bag: Easy to carry, transport and store; Excellent company for video making
Bought one for a try, thanks OP