Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Fixed hole spacing: 22mm or 0.87inch.4.Six positions, rotate five times.5.Position selector rotary switch for mixer, juicer, soya-bean milk machine and other small appliances.6.Applicable to: small appliances power within 800w.Specifications:Product material: PA66Color: BlackBrand name: BQLZRSize: 2.93x2.6cm or 1.15x1.02inch(Dia x H)Fixed hole spacing: 22mm or 0.87inch.Weight: 18 gPackage include:1 x Selector Rotary Switch1 x Knob Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.