10pcs Chainsaw Oil Seal for MS170 180 Chainsaw Spare PartsOOTDTYGraden Tool Accessories Oil Seal Ring Replacement Q81CCes: The outer diameter is 25mm and the inner diameter is 15mm. Suitable for STIHL- MS180 MS170 170 180.Made of fluororubber, corrosion resistant and good sealing. One package contains 10 oil seals, which are easy to use and . To improve work efficiency. Specification: Material: FluororubberSize:Approx. Inner Diameter: 15mm/0.59"Approx. Outer Diameter: 25mm/0.98inColor: As the picturePackage Included: 10pcs Chainsaw Oil Seals/SetNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.