This Adjustable Hole Cutter is ideal for cutting wood, plastic sheet, drywall, PVC sheet, glass, porcelain, etc. Widely used for drilling holes in materials. Suitable for any variable speed drill, it even comes with a ball-point bit for lower RPM use. The Adjustable Hole Cutter has 2 adjustable blades that can be adjusted for a wider range of hole diameters. FEATURES: OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.