Sollar 11Pcs Concrete Hole Saw Kit With 300Mm Sds Plus Max Shank And 2 Drill Product Details Premium Material: The appearance of concrete hole saw set adopt industrial-grade sandblasting technology,which has the function of rust prevention to ensure exquisite appearance no scratch. Unique Design?Double chip removal hole effectively prevents debris clogging,external chute with threaded design removing debris easily,greatly improving work efficiency.The concrete hole saw kit features a center positioning dril,simple to operate, easy to use and fast perforation. 2024 New Upgrade Process:The process of concrete hole saw has also been upgraded,equipped with Harden High Carbon Steel Boday Plus and YG9 Tungsten Carbide Tip,ultra-sturdiness and durable,easy to opearation,and long service life.Internal and external three edge,front and back angle design,layers component cutting,more accurate positioning. 11 PCS Concrete Hole Saw Kit:The concrete hole saw set contains 5 different diameters of concrete hole saws, 40mm(1-9/16"), 65mm(2-9/16"), 80mm(3-1/8"), 100mm(3-15/16"),125mm?5"?,1 x SDS PLUS Shank(300mm/11-13/16"), 1 x SDS Max Shank(300mm/11-13/16") and 2x center positioning drill bits ,2x positioning drill screw. Wide Application:The tool plastic box packaging, prevents the teeth of the concrete wall hole saw cutter from being hurt by external forces during transportation. Different diameters of concrete hole saws apply to different drilling diameters and improve the versatility. 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.