Klein Tools 31872 Heavy Duty Hole Cutter Kit, Includes Carbide Hole, Piece. This 4-piece Carbide-Tipped Hole Cutter kit cuts quick, precise holes in a variety of materials. Set includes three commonly used sizes plus an extra pilot bit. Integrated flange prevents the operator from drilling beyond the sheet metal. Split point pilot drill bit prevents bit walking. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857. Product Features Heavy duty, durable carbide hole cutters for long life Hole Cutters cut quick precise holes in stainless steel, mild steel, iron, copper and brass sheet up to 3/16-Inch (0.5 cm) thick Split point pilot drill bit prevents bit walking Set contains: 7/8-Inch, 1-1/8-Inch, 1-3/8-Inch plus one extra pilot bit Integrated flange prevents the operator from drilling beyond the sheet metal Conduit and pipe sizes: 1/2-Inch (1.3 cm) to 1-Inch (2.5 cm) All components are packed in a rust-proof, molded plastic carrying case Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!