Oregon Single Chain Saw Link Oregon Harvester 20 mm - 18 HX Chainsaw Chain Oregon Single Chain Saw Link Oregon Harvester Chain 19HX Oregon 19HX sawtooth left Oregon 19HX link with no rivet Oregon 19HX link with rivet Replacement Nose Sprocket Oregon 19HX sawtooth right Oregon Single Chain Saw Link Oregon Harvester Jet-Fit Guide Bar Oregon Harvester Solid 2.0 mm Guide Bar Oregon 19HX drive link