High-Load, High-Performance Motorized Rotation Stage 200 mm diameter through-hole for convenient cable routing. Structure Specificationsn Item Number: WN03RA200Mn Rotation Range: 360° of Continuous Rotationn Diameter of Platform: Ø200mm (Ø7.87")n Drive Mechanism: Worm Gearn Worm Gear Ratio: 180 : 1n Stepper Motor (1.8°): STP-57D3016 - Stepping Motor with 2-Phases & 1.8° of Step Anglen Material – ...