HUSQVARNA JONSERED compatible brushcutter hedge trimmer vibration-damping spring External thread: 6.3 mm Internal thread: 5.2 mm Length (mm): 44 For models: HUSQVARNA 44 266 268 272 346 350 353 359 444 JONSERED 670 2159 Part No.: 40270787 Original part No.: 503 854101 HUSQVARNA MPM NS