Description Includes 2 each arms, nylon edge scraper wheels, cotter pins and 1 spring. Fits MaxEmerge 2, Maxemerge XP, Pro XP,1760, 1780. Will replace JD BA28945, AA54726. This item is a suitable alternative for the following: 864-RS231K, 864-RS221K, RS221K, AA35734, AA54726, BA28945