Mercury Spitfire 4-Blade Aluminum Propeller 10.3 x 13 Pitch 40-60HP 488M8026630 Part Manufacturer: Mercury Marine; Series: Spitfire; Part Number: 48-8M8026630; UPC: 745061890268 Size: 10.3 x 13 Pitch; Rotation: Right Hand; Material: Aluminum; Blades: 4 Measures approximately 3 3/8" OD across the back of the hub; includes Flo-Torq Reflex Hub Kit, part number 835257K12 Fits: 25 HP BigFoot, 30 HP 4-Stroke (2005 and earlier) 40-60 HP 2-stroke and 4-stroke outboards Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included