-- Specifications & Features -- Year: 2021. Make: STIHL. Model: MS 261. Displacement: 50 cc. Bar Length: 20". Chain Pitch: 3/8". Chain Gauge: .050". Drive Links: 72. -- Seller Statement -- -- Contact -- General Inquiries, Payment, Bidding Direction, Registration, and Loadout: Main Office, (574) 825-0704. Financing: 1 (833) 458-6210.