This 20 guide bar and chain combination features a .325” chain ideal for occasional commercial users. The low-vibration micro chisel cutters offer excellent performance, easy maintenance and low kickback. The AdvanceCut™ guide bar features a small radius multi-rivet nose for good durability and control. Pitch: .325", Gauge: .050", chain drive link count: 78Lubritec™ system keeps your chain and guide bar oiled for less friction and longer lifeFor saw sizes up to 62 ccSaw chain met the kickback performance requirement of ANSI B175.1-2012 when tested according to the provision s of ANSI B175.1-2012. Low-kickback saw chain meets the kickback performance requirement of CSA Standard Z62.3