Diamond Lapidary Glass Flat Grinding Wheels and Lapidary Diamond Flat Polishing wheels grinding hard materails,It's Grinding is Clean Fast. The premium lapidary wheel for general use in grinding and sanding gemstones, rocks, ceramics or glass. The bonded is electroplateddiamond on the peripheral surface of a precision turned, seamless, steel rim.They are particularly well suited for glass beveling, cold glass working and lapidary working, Our weheel has steel ring and plastic core,it has a 1" arbor comes with bushings to adapt to 1/2, 5/8 or 3/4 inch shafts. Available in a variety of grits and sizes. 
Noted:
1.We thank you for your order, and we promptly ship all items by China Post within 2 business days of receipt of payment.It takes about 7-14 days to ship to United States, Australia, United Kingdom, Canada, France, Europe, Asia or other places worldwide. We are unable to take any responsibility for any custom delay or tax. Reason is because transit time is highly depended and provided by Postal Service (except weekends and holidays).US customer trace it on US Post office website and others countries please trace it on Chinese Post office website or your local post office website.
2.When place an order perhaps find the shipping method do not list,you will be see "Please contact the seller and request a shipping method to your location" on the top left of windows,then we will calculate the shipping cost and send the invoice with shipping cost,so you can pay with your paypal.