Movo SGTD-60S 23" Linear Track Slider/Table Dolly Combo Video Rig with Skate Wheels, Retractable Legs and Carrying Case (Silver) Create High-Quality Production Shots with this Combination Track Slider & Table Dolly Heavy-Duty Anodized Aluminum Construction Supports up to 11 LBS (5kg) Sliding Camera Platform Features Tension Adjustment Knob and 4 Linear Bearings for Super Smooth Gliding Inline Skate Wheels and 4 Retractable Legs Camera Mount Options: 1/4" and 3/8" Male Threads; Tripod Mounting Options: Multiple 1/4" and 3/8" Female Threads