QualityParts From Oregon That you can depend on. Fits models 191, 174, 180, 181 and 196 snow throwers (1988 and newer): Length: 19-7/8", Slotted mounting holes: 1/4" x 1"; 4 mounting holes on 6" centers; Use with OregonĀ® 73-016 paddle; Replaces MTD; ; Oregon Equipment Parts 73-017 Scraper Bar Mtd/Yardman[778]