Note: The color of the product shipped is as shown in the first image. Specifications and quantity are as described in the title. If changes are needed, contact must be made within 12 hours after order placement. Product Features: 1. Each product has a unique Manufacturing Part Number label on the inner package, indicating it has passed quality checks. The label includes Part Number, Model Number, and inspection date. 2. If you have any questions about the item, please provide the Manufacturing Part Number for verification. 3. Fixed hole spacing: 22mm / 0.87 inch. 4. Four positions with three rotations. 5. Position selector rotary switch designed for mixers, juicers, soy milk machines, and other small appliances. 6. Suitable for small appliances with power up to 800W. Specifications: Material: PA66 Color: Black Name: BQLZR Size: 2.93 x 2.6 cm / 1.15 x 1.02 inch (Diameter x Height) Fixed hole spacing: 22mm / 0.87 inch Weight: 18g Package Includes: 1 x Selector Rotary Switch 1 x Knob Note: Due to differences in monitor models and display settings, actual colors may vary slightly. Size measurements are manually taken and may have a 1-2 cm deviation.