Fits Models: RZT50, RZT50 KW, RZT50VT, Mustang RZT 50, Mustang XP. Fits Models: RZT50, RZT50 KW, RZT50VT, Mustang RZT 50, Mustang XP Spindle Specifications: Height: 6 1/8 inch Pulley Outer Diameter: 5 1/2 inch Blade Specifications: Length: 18 inch Center Hole: 3 pt. Width: 2 1/2 inch Thickness. 149 inch Pulley Specifications: Height: 1 inch ID: 3/8 inch OD: 4 7/8 inch Belt Specifications: Width: 1/2 inch Length: 134 inch Deck Wheel Specifications: Wheel Size: 5×2 3/4 inch Bore Size: 1/2 inch Hub Offset: 2 1/2 inch. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. Satisfied with our service. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.