Bosch Hbslkit 7 Pc. Spinlock Universal Hole Saw Kit Product Details The BOSCH 7 pc. SpinLOCK Universal Hole Saw Kit is designed for users who are looking for convenient way to get clean fast cuts in such materials as wood, metal and plastic. The universal arbor fits all brands and sizes to simplify diameter changes, facilitates faster plug removal and enables tool-free accessory install. It?s made to let you change hole saws in seconds. The pilot bit is designed for a variety of materials as well. The hole saws feature the Progressor tooth design, which features alternating teeth size for performance, cutting faster and lasting longer in wood, metal and plastic materials. The 2-in-1 cuts are clean and fast. Large teeth are optimized for fast cuts in thick materials; small teeth are optimized for clean cuts in thin material. The hole saws are made with 8% cobalt alloy and are designed with reinforced shoulders. All-in-one kit ? features a SpinLOCK Universal arbor, steel pilot bit and four hole saws with Progressor tooth design SpinLOCK universal arbor ? fits all brands and sizes to simplify diameter changes with fast plug removal and tool-free install The pilot bit ? designed to start holes in a variety of materials Progressor tooth design ? hole saws feature alternating teeth size for performance, cutting faster and lasting longer in wood, metal and plastic materials Durable hole saw material ? hole saws are made with 8% cobalt alloy 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.