ISE Replacement Needle Bearing Clutch
For Models: Stihl 017, 018, 019T, 021, 023, 024, 026, 029, 034, 036, 039, MS170, MS171, MS180, MS181, MS190T, MS191T, MS210, MS211, MS230, MS240, MS250, MS260, MS270, MS290, MS310, MS311 & MS391.
Replaces Part Numbers: 9512 933 2260 , 9512-933-2260
Size: 10mm x 13mm x 10mm