24mm wheel diameter 4.5.6mm 2-piece upper wheel compatible with glasses 2-piece lower wheel a maximum of 10 pieces of this product can be ordered. swordslife reserves the right to cancel orders over 10. more than 50 items in stock are available for sale at the promotional price. buy the selling price of the product you reviewed. it is set by the seller. one product can be sold by more than one seller. the seller with the highest score determined by price advantage, delivery speed, return rates and general service quality, taking into account customer satisfaction on the product list and detail pages becomes the visible seller. other sellers are listed on the product detail page as alternatives. this product is not included in the discount promotion. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.