Rotary 14459 Mower Blades for AYP 187256 532187256 54in. Deck Rotary Mower Blades manufactures high-quality, OEM replacement lawn mower blades. Rotary Mower Blades are made in the United States. Rotary replacement blade fits AYP 187256, 532187256 187256 532187256. Specifications: Blade Type: Straight Length: 18-1/2 in. Width: 2-1/2 in. Thickness: .203 in. Center Hole: 5 PT ST Requires three (3) blades for 54-inch deck. Made in USA Fits Models: AYP: GTB54A, LT2227A2; GTH26K54T, MZ5424S, RZ5424, YTH26V54, 2354 GXLS To ensure the blade will fit a certain mower, please make sure the part number and measurements match the original blade.