ITEM NAME:Chain Brake Flat Spring fit for Stihl Chainsaw 017 018 021 023 025 MS180 MS210 Chain Brake Flat Spring Fit for Stihl Chainsaw 017 018 021 023 025 MS170 MS180 MS210 SPECIFICATIONS.Compatible with: Fit for Stihl Chainsaw 017 018 021 023 025 MS170 MS180 MS210. Item included: 1 x Chain Brake Flat Spring. Manufacture Part Number: 1123 162 7800. Condition: 100% new.