The Longyear Diamond Bit Color Series is an innovative and versatile new line of diamond coring bits. Utilizing patent-pending technology, these bits are engineered to drill faster, last longer and outperform existing bit technology. By making small diamonds work harder in a low torque matrix, all drillers from the newly promoted to the seasoned veteran find the color-coded Longyear diamond bits much more effective in obtaining higher productivity. www.boartlongyear.com