DOP160PXDK095JO 16" 3/8" Pitch .050 Gauge Double Guard Chain saw Bar fits Jonsered Chainsaws. Sprocket nose. Fits Large style 3/8" Chainsaw Chain (72 series). 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.