1.4-wheel mini dolly for fluid motion shots in straight lines, curves, and wide circles
2.Can be used tabletop or on any flat surface with a rig of up to 25 lbs
3.Stainless steel ball bearings encased in 60mm solid rubber gel wheels enable smooth motion
4.Scale markings allow aligning the wheel axels to desired matching positions
5.A 1/4" screw is included for attaching a camera or ball head
6.1/4" threads allows mounting articulating arms with lights and mics
7.Ball Bearings Enable Smooth Motion