HURI 3 Choke Knob for Stihl BR500 BR550 BR600 Replace 42821829500 Replacement parts,non original Fit Stihl BR500 BR550 BR600,replace 42821829500 Package include 3pcs choke knobs + 1pc HURI pocket tape Note:you could apply for a full refund if you didn't receive HURI branded pocket tape.