Patent pending TruTurn 360 system delivers best in class castering performance. Raises and lowers 35 percent faster than the competition with 20 percent more screw travel than conventional jacks. Grease fittings in key locations for easy lubrication. Patented inner and outer tube bushings provide a tight fit and lessen tube drag and a Premium Sharkskin finish for optimum corrosion resistance. Features stylized handles with soft touch grips. 8 inch diameter spoked wheel, handle and wheel are shipped unassembled.