Each product has a unique manufacturing part number label on its inner packaging to prove its conformity, including part number, model number, and inspection date information.If you have any questions about this project, please provide us with the manufacturing part number for inspection, and your profit will be guaranteed.Applicable models: Replace Riccar 990, R750, R650, R55141450525555F, 572606666FA, 805806807808E, 888900, 30, 30, 303500 360040014003840085009150916096096097009800900571, RE581, RE591, RE570, RM53741, 5.762. Replace Tacony FA2.Specifications:Materials: Metal and plasticColor: WhiteSize: 3.2 * 6.0cm/91.1 * 02.8 inchesAperture: 0mm/31.37 inchesPackage includes: 2 * hook drive gearsNote:1. Due to manual measurement, please allow a small error. Please make sure you don't mind before bidding< br>2. Colors may vary depending on the display. Please understand< br>Note:Hello, please pay attention to your shipping address when purchasing products. If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.