Ruitool Drill Bit Depth Stop, Adjustable Drill Stop, Applicable Drill, 2 Pc.. Product Details ?High Quality Aluminum Alloy Material?: Lightweight metal aluminum, strong hardness, wear resistance, high temperature resistance, this kind of drill stop has a long service life, better performance than plastic, strong fixity ?Firmly fixed?: The drill bit limit ring set can accurately control the drilling depth without damaging the drill bit, with a nylon inner ring that is easy to lock and will not loosen, effectively avoiding wear and tear on the locking part of the drill bit. Making these drill depth limiting rings perfect for professionals and DIY enthusiasts to use in production or repetitive drilling projects ?Adjustable Inner Diameter?: The inner diameter of the 2 installed drill depth stops can be adjusted to precisely apply drills of different sizes. Large for bit widths 15/64"-7/16" (0.23"-0.43"); Small for bit widths 5/64"-3/16" (0.078"-0.18") metal drill ?Precise limit?: Quick adjustment, precise control of drilling depth, making drilling faster and more accurate, so that woodworking work more convenient ?Wide Range of Applications?: The drill stop can be used for furniture installation, ordinary tiles, wood, metal, plastic and brick.Package includes 2 metal aluminum drill stop collars?30-34mmx20mm*1 49-54mmx28mm*1 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.