DEWALT DW3984 24TPI Portable Band Saw Blade - 44-7/8-Inch， .020-Inch， Matrix Ll (3-Pack)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Matrix II High Speed Steel Edge for Heat and Wear Resistance</li><li>8% Cobalt Content For Added Durability & Wear</li><li>Rc 65-67 Tooth Hardness For Increased Wear Resistance</li><li>Alloy Steel Backer for Fatigue Resistance</li><li>Matrix II high speed steel edge for heat and wear resistance</li><li>8 percent cobalt content for added durability and wear</li><li>Rc 65-67 tooth hardness for increased wear resistance</li><li>Alloy steel backer for fatigue resistance</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41rn2DZlP4L.jpg' noproxy></br>