MowerPartsGroup Ariens 42" Deck Rebuild Kit Replaces Spindles 21546238 Blades 21546095 (2) Spindles Replace: Ariens: 21546238 AYP: 187292, 192870 (2) Hi-Lift Blades Replace: Ariens: 21546095 AYP: 127843, 138498, 138971, 138971X431 Fits Most Ariens 42" Mowers (Hydro/Automatic/Geared) Spindle Includes top nut, Bottom bolt, Bottom washer, self-tapping bolts and grease zerk Blade Length: 21"; Center Hole: 5 pt star; Width: 2 1/4"; Thickness: .149"