This is a quality non genuine chain tensioning adjusting screw and fits the following models 009, 010, 011, 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, MSE140C, MSE160C. MSE180C & MSE200C
Similar to Stihl Part No: 1123 664 1605
MS Part No: 75123
