[Package include]: 2 x Choke Knob [Replace Part Number] :4128 182 1700 41281821700 [Compatible Models]: For Stihl FS 100, FS 110, FS 110 X, FS 120, FS 200, FS 250, FS 130, FS 160, FS 180, FS 220 K, FS 220, FS 280, FS 280 K, FS 290, FS 25-4, FS 65-4, FS 300, FS 350, FS 310, FS 360, FS 420, FS 480, FS 500, FS 550, FS 55, FS 80, FS 85, FS 83, FS 87, FS 90-Z, HS 85, HS 86, KM 100, KM 130, KM 55, KM 85, KM 90, MM 55 [100% Satisfaction Guarantee] : High quality and Long lasting Service Life replacement parts accessories, 602 days return, refund or free exchange if you aren't completely satisfied (defection, accidental damage, non-satisfaction etc.) Any problem please do not hesitate to contact us. [Note]: Please compare it with your original parts beFore ordering it to see if it can For your original chainsaw. [Compatible Models]: For Stihl FS 100, FS 110, FS 110 X, FS 120, FS 200, FS 250, FS 130, FS 160, FS 180, FS 220 K, FS 220, FS 280, FS 280 K, FS 290, FS 25-4, FS 65-4, FS 300, FS 350, FS 310, FS 360, FS 420, FS 480, FS 500, FS 550, FS 55, FS 80, FS 85, FS 83, FS 87, FS 90-Z, HS 85, HS 86, KM 100, KM 130, KM 55, KM 85, KM 90, MM 55