Dewalt Bi-Metal Hole Saw Kit For Wood, Metal And Plastic (D180001) Product Description Made in the U.S.A. with global materials, these Bi-Metal Hole Saws last up to 50% longer* and feature patented toothforms that help deliver fast cuts and long-life drilling through wood, metal, and plastic. Their large, continuous slot provides leverage for easy plug ejection and removal. The durable, bi-metal construction provides the versatility to drill a range of materials and a deeper saw design allows for cutting 2-by dimensional lumber in one pass. Amazon.com Get the results you need at 35-percent longer life than the industry leader and 200-percent longer than the industry standard with the DEWALT D180001 bi-metal hole saw kit. You can expect superior results with the innovative tooth and set guide and the broad, toughened backing plates that avoid marring around the bores. This innovative holesaw kit utilizes a deep-cut technique, which broadens functionality by increasing the variety of widths the saw is compatible with. It also features an enlarged bi-metal section, which is crafted from M3 steel for added protection against jobsite abuse. Packed in the kit are: 3/4-, 7/8-, 1-1/8-, 1-1/2-, 1-3/4-, 2-1/4-inch holesaws, two mandrels, and a rugged kit box. UP TO 50% LONGER LIFE*: Patented toothforms optimize chip removal for efficient drilling and long life. *vs. prior generation DEWALT Bi-Metal Hole Saws cutting black pipe FAST PLUG EJECTION: Large, continuous slot provides leverage for easy plug ejection and removal VERSATILE DRILLING PERFORMANCE: High-speed steel cutting edge effectively drills through wood, metal, and plastic DESIGNED FOR THICK MATERIALS. Deeper saw design cuts 2-by material in one pass MADE IN THE U.S.A. WITH GLOBAL MATERIALS