Features Roller Bearing Sliding System 33 lb Load Capacity on Flat Surfaces 12″ Travel Distance 15.5″ Total Track Length 75mm Ball Base with 1/4″ & 3/8″ Threads Spring-Loaded Friction Adjustment Knob Folding Legs with Height-Adjustable Feet Interchangeable Rail Lengths 3/8″-16 Tie-Down Screw Padded Carrying Case
