Fits JONSERED Models USING 3/8" PITCH 2014, 2016, 2036, 2036 TURBO, 2040, 2040 TURBO, 2041, 2045, 2141, CS2141, 2050, 2050 TURBO, 2051, 2054, 2055, 2149, 2149 TURBO, 370, 410, 420, 425, 435, 45, 450, 451, 455, 49, 50, 51, 510, 52, 521, 525, 535, CS2145, CS2149 TURBO, CS2150, CS2152W, CS2153, CS2156, CS2159, CS2159C, CS2163,CS2240, CS2245, CS2250, CS2255.
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