DOP200ATMZ095JO 20" .050 Gauge Laser Tip Chain saw Bar fits Jonsered Chainsaws. Solid nose with wear resistant alloy laser welded around the bar tip. Fits Jonsered model 2051, 2055, 2063, 2149, 2149 Turbo, 2159, 2163, 370, 410, 420, 425, 435, 45, 450, 451, 455, 49, 490, 50, 51, 510, 52, 520SP, 521, 525, 535, 590, CS 2159, CS 2159C, CS 2159CWH, CS 2159WH Chainsaws.