STIHL chainsaw compatible Models: 028, 044, 046, 064 066, MS 440, MA 640 height in mm: 28.00 Bore size D. in mm: 11.00 D. high in mm: 21.00 D. low in mm: 24.50 Reference code: 170-361 Original part number: 1122 790 9905 STIHL VR