Movo Photo CTS300-II Panoramic 120&deg; Circular Camera Sliding Track System with Roller Bearing Sliding Platform Curved 120 Circular Track; Arc Diameter: 33.4" (85cm); Track Length: 34.25" (87cm) Super-smooth Slider Platform With 4 Roller Wheel Bearings 3 Pairs of Independently Adjustable Legs (6 Feet in Total) Includes Deluxe Carrying Case 1 Year Movo Limited Warranty with USA-Based Support <span class="a-text-bold">Construction:</span>CNC Aluminum <span class="a-text-bold">Camera Mounting Threads:</span>1/4&#034; and 3/8&#034; Male Threads <span class="a-text-bold">Tripod Mounting Threads:</span>Multiple 1/4&#034; and 3/8&#034; Female Threads <span class="a-text-bold">Arc Diameter:</span>33.4&#034; (85cm) <span class="a-text-bold">Track Length:</span>34.25&#034; (87cm) <span class="a-text-bold">Max Camera Weight:</span>22 LBS (10kg)