STIHL-compatible anti-vibration mount for brushcutters, hedge trimmers and blowers Outer diameter (mm): 25 Inner diameter (mm): 11.3 Internal thread: 25 For models: STIHL MS 190 E MS 170 MS 180 MS 190 017 MS 270 018 MS 280 019 T Part No.: 40270772 Original part No.: 1123 791 2800 STIHL NS