Hand Wheel - Product name: Hand Wheel - Material: Plastic, Metal Specifications - Center bore inner diameter: 12 mm / 0.47" - Wheel diameter (approx): 125 mm / 4.9" - Bottom outer center hole diameter: 25 mm / 0.98" - Handle size (approx): 80 x 22 mm / 3.15" x 0.87" (Max D x H) - Wheel (approx): 60 mm / 2.36" - Color: Black Key benefits - Provides reliable manual control for machine adjustments - Durable combination of plastic and metal construction - Clear dimensional data to help verify fit with your equipment - Compact handle and wheel design for comfortable, steady operation - Black finish maintains a clean appearance and helps conceal wear Use scenarios - Replace a worn hand wheel on a small lathe or milling machine to restore precise manual feed - Install on a drill press or similar equipment to improve control when moving the workpiece - Use in a workshop or DIY project to customize a tool or jig that requires a 12 mm inner bore and 25 mm outer mounting features