Our 20 in, 0.325 in pitch, 0.05 in ga saw chain delivers fast hardwood cutting with a multi-axis shape grind and is designed to prevent stalls in sawing applications. The narrow kerf design offers more cuts per charge versus standard kerf chains to maximize battery efficiency. This chain is recommended for use with our M18 FUEL™ 20 in dual-battery Chainsaw (2827-22) and 20 in 0.325 in pitch, 0.05 in ga guide bar (49-16-2755) and fits chainsaws and 20 in narrow kerf bars with the same pitch, gauge and drive links.