Order Includes: 3x Spindle Assemblies, 3x Blades. Compatible with Troy Bilt models: TB2454. SPINDLE SPECS: 6 1/2" overall / OD of Pulley: 5-7/16" / 6 points star blade / with star hole blades / NOTE: Mounting holes do not have thread.Power tool is needed to install the bolts.It is designed to withstand the vibration.. BLADE SPEC: Width 3" / Length 18-2/8" / Thickness 0.160" / Center Hole 6 Point Star / Deck Size 54" Cut. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
