24"/60cm Video Stabilization System DSLR Camera Compact Track Dolly Slider Portable camera slider. Easy to carry and use, set up in minutes. Made of aluminum alloy with 24" (60cm) long track. Measurements labeled in inches and centimeters. Built in Bubble level indicator to set a perfect angle when the slider is positioned. Base plate with 1/4" and 3/8" screw threads optional for versatile usage.