Lichamp 21-Piece Hss Drill Bit Set, Titanium Coating High-Speed Steel Drill Bits Product Details DURABLE AND RELIABLE BUILD: Manufactured using premium HSS material along with a wear and corrosion resistant titanium plated coating to ensure durability. EFFICIENT AND STABLE: The cutting edge tip is designed with a 135-degree beveled angle, featuring sharp cutting edges and dual chip evacuation grooves to provide a fast, smooth and efficient drilling experience. MULTIPLE SIZES AND SIZES: Available in 21 different size options to accommodate 1/16" to 3/8" diameter drilling. Includes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8". WIDE APPLICATION: Suitable for different types of materials such as wood, metal, aluminum, plastic, etc. to meet various drilling needs. Compatible with a wide range of drilling models, including handheld drills, bench drills and impact drills. SAFE AND CONVENIENT: Using the classic round shank design, the bite is firm and not easy to fall off. Provides a compact metal case for easy access to the organizer. 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.