Oregon 79-724, AIR LIFT SET SNAPPER 3-1724 Air lift set contains (2) deflectors, (4) starlock washers, (4) 5/16-24 x 21/32 Grade #5, Oval head screws, (4) hex nuts. Fits 28" & 33" blades Also Replaces: LESCO: 50112 SNAPPER: 3-1724, 31724 Product Code:79724