DESC: 16" guide bar 2.1 C.I. engine For light cutting and most jobs around the yard Super clean air filter system extends life of air filter Gear-driven automatic oilier Primer bulb for easy starting Vertical cylinder design Fully assembled with case Replacement chain - Ace no. 74746 Replacement bar - Ace no.. 7016264 Replacement bar and chain combo - Ace no. 74766 Replacement plug - Ace no.