Kendo 13-Piece Spade Drill Bit Sets, Alloy Steel Paddle Flat Bit With, 1/2" Product Details HIGH QUALITY MATERIAL: Constructed from Alloy steel with fully heat-treated for durability and hardness above carbon steel, the head with the polished surface is made to ensure long life and high wear resistance. FEATURE: The cutting edge with double-side cutting spurs of high quality grabbing wood and carving it away, creating beautiful holes with reduced breakout.Accurate drilling on Wood, Fiberglass, Plastic, PVC (Polyvinyl Chloride) . VERSATILE: Includes 13 high-quality spade drill bits, Size 1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2" .Come with a nylon storage pouch for easy storage and organization. QUICK-CHANGE HEX SHANK: The hex shank is 1/4 with groove for reducing slipping and preventing falling off, universal for the most drill driver tool of brands in the markets. KENDO Your Professional Partner: If you are not satisfied with our product for any reason, we offer 100% refund or replacement. 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.