Diamond Products Core Bore 5709 3-1/2-Inch Premium Black Wet Core Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>General purpose</li><li>Long life</li><li>Wet cutting</li><li>Maximum footage and drilling speed</li><li>Good in moderate to high steel-very high diamond concentration</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31CPDb0TEvL.jpg" noproxy>