HUSQVARNA JONSERED compatible brushcutter hedge trimmer vibration spring Inner diameter (mm): 5,7 External thread: M5 For models: HUSQVARNA 44 266 268 272 346 350 444 JONSERED CS 2141 CS 2152 2149 Part No.: 40270756 Original part No.: 503 898301 HUSQVARNA MPM NS