DOP188ATMD009PA 18" .058 Gauge Laser Tip Chain saw Bar fits Partner Chainsaws. Solid Nose with wear resistant alloy laser welded around the bar tip. Fits Partner model 1655, 2055, 550, 650, 7000, P100, P55, P65, P70, P85, R-11, R-12, R-14, R-16, R-17, R-18, R-19, R-20, R-21, R-22, R-23, R-30, R-35, R-40, R-416, R-420, R-421, R-435, R-440, S-50, S-55, S-65 Chainsaws.