Harvester Chain 11BC ( chipper) The big, burly old pro with updated features that keep this chain a top performer in modern harvesting applications. product description here.... FEATURES * Chipper cutters have fully rounded working corners and side plates for a big aggressive bite, easy sharpening and edge-holding durability * Tested, proven chassis delivers superior strength and outstanding durability * Patented Oregon® steel material and state-of-the-art manufacturing processes keep stretch and wear to a minimum, even while working in brutal cold-weather cutting conditions SPECIFICATION 11BC , 3/ 4" pitch, .122" gauge Note: Do not use on hand held saws