Ezarc Reciprocating Saw Blade Bi-Metal Cobalt Sabre Saw Blades For Metal, 5-Pack Product Details ?Long-Life Teeth? Teeth made of bI-metal with 8% Cobalt which makes EZARC reciprocating saw blades with 2times longer life comparing with normal bi-metal blades without cobalt. ?Metal Master? Hard cobalt edge provide effortless cutting into sheet metal, metal pipe and profile. ?Cutting Capacity? Blades cut through medium to thick sheet metals 3-8 mm, solid pipes/profiles diameter 175mm. ?Optimized Design? 0.9 thin wall and set teeth design helps to reduce heat build up and maximize your cutting efficiency. ?Universal shank? 1/2 inch shank fits all Sawzall tools on the market including Bosch, Dewalt, Milwaukee Sawzall Saw, SKIL, Makita, Black Decker, Ryobi, Porter Cable, Hitachi, Flex, Hilti, Metabo and more. 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.