TREE PULLEY COMPATIBLE TOWER ROTORINO RASERING MOWER 38" models from 1985 to 1991. CHARACTERISTICS: Overall height: 174.6 mm Height to flange: 54 mm Outside of large washer: 140 mm Width of flange: 57.2 mm Code: 30-505 Original part number reference: 105891X, 121687X, 121676X AYP