Diamond Hole Saw Set Diamond Drill Bit 10 Pcs. Ceramic Glass Tile Quartz Granite Product Details PREMIUM QUALITY, LONG LASTING Diamond Hole Saw Drill Bit Tool Set in Elegant PU Zipper Storage Case. Diamond Hole Saw Guide INCLUDED - High Density Poly Insert. Diamond Drill Bit Tools 10 Piece Set 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 3/8, 1 1/2, 1 3/4, 2 inches BUY AS A SET and SAVE OVER 80 Percent on MOST POPULAR 10 Sizes. Having these sizes available will help you cover almost all of your applications. Our hole saws are taller than most competitors. You can drill through thicker materials with our tools. Shank size is 3/8 inch for common drills (corded electric, cordless rechargeable, upright, other rotary tools) EXCELLENT RESULTS in Quartz, Granite, Ceramic Porcelain Tiles, Glass, Marble, Slate, and many types of Stones. No need for pilot drill, use the insert us guide. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.