USA Size:6#，Diameter:16.5mm，Perimeter:52mm<br />USA Size:7#，Diameter:17.4mm，Perimeter:55mm<br />USA Size:8#，Diameter:18.2mm，Perimeter:57mm<br />USA Size:9#，Diameter:19mm，Perimeter:59mm<br />USA Size:10#，Diameter:19.9mm，Perimeter:62mm<br />USA Size:11#，Diameter:20.7mm，Perimeter:65mm<br />USA Size:12#，Diameter:21.5mm，Perimeter:68mm<br />USA Size:13#，Diameter:22.3mm，Perimeter:70mm<br />(1 millimeter = 0.039 inch，1 inch = 25.4 millimeters)<p> <b><b><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57c6aa48cb51b51f9835ab1f-6-large.jpg></b></b></p>