Fancierstudio Tripod Dolly Video Tripod Dolly Heavy Duty Build With Carrying Case By Fancierstudio FT600 Universal Fully Adjustable Leg Locks All Metal Ball Bearing Casters with Rubber Wheels for Ultra Smooth Roll Folded Height : 21 1/2" /Extended Height : 4 7/8" Works with all kind of tripods/Made with heavy duty aluminum One Step Locking Wheels Carrying Case included