Throttle Trigger. 11301821000 New aftermarket part Fits Stihl 017 018 MS170 MS180
Throttle Trigger Safety Interlock. 11301820800 New aftermarket part Fits Stihl 017 018 MS170 MS180
Throttle trigger and safety torsion spring. 11171824500 New aftermarket part Fits Many models of Stihl Chainsaw 017 018 021 023 025 024 026 028 029 039 034 036 044 046, MS180, MS170, MS210, MS230, MS250, MS260, MS360, MS440 and others