MaxPower 561310 3-Blade Set for 52 Inch Cut Snapper Replaces 1737252BZ, 1737252,  1737252A, 1737252BM,  1737252BZYP, 1737252MA, DIY #2003 Replaces OEM No 1737252BZ, 1737252, DIY #2003 18 1/2 Inch Length; .805 Inch Center Hole Proudly Made in the USA Includes 3 blades Also fits Simplicity, Massey Ferguson