Zkh 9Pcs Concrete Hole Saw Kit, Masonry Hole Saw 30 40 65 80 100 Mm With 2 Drill Product Details Versatility - Concrete hole saw kit includes 5 hole saws of different diameters 1-2/11?(30mm), 1-3/5?(40mm), 2-9/16 ?(65mm), 3-5/32?(80mm), 3-15/16?(100mm), 2 pilot drill bits, and SDS Plus Max shanks. A complete solution for construction workers, DIY enthusiasts, and professional maintenance personnel. Efficient Drilling - Concrete hole saws set feature YG8 tungsten carbide tipped teeth for sharpness and high hardness, ensuring fast drilling and long life. The specially tempered 4.1mm thick tool steel body provides excellent wear resistance, with a maximum cutting depth of 54mm. Fits Various Machines - Concrete hole saw kit equipped with 2 pilot drill bits and shanks compatible with both SDS Plus and SDS Max rotary hammers, providing an all-in-one choice for daily use. Wide Applications - Masonry hole saws set can easily drill through common wall materials like cement, brick, concrete, adobe, and stone. Widely used for drilling walls or installing tubing, water pipes, exhaust hoses, and more. Excellent Customer Service - We are committed to providing the best customer experience. If you have any questions or concerns about our hole saw kit, feel free to contact us. We strive to offer top-notch support and ensure your satisfaction with our product. 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.