180RNDD009 Oregon 18" Chainsaw PowerCut Guide Bar180RNDD009 Oregon 18" Chainsaw Bar PowerCut 3 8" . 050 chain 68 DL Solid body guide bar for the professional woodcutter. Replaceable sprocket nose eliminates need to purchase a new bar. Replaceable bar nose eliminates need to purchase a new bar Nose fastens with a single rivet and secured by wide, strong overlapping ears for easy replacement Long nose takes most of the abuse with less wear on the bar body Tough rails with excellent resistance to wear