Mercury Marine Black Max 3-Blade Aluminum Propeller 10-1/2 x 13 Pitch Part Manufacturer: Mercury; Series: Black Max; Part Number: 816704A45 / 48-816704A45 10 1/2 x 13 pitch, 3 blade right hand rotation Measures approximately 3 1/2" OD across back of hub Includes Flo-Torq Reflex hub kit, part number 83525K12 Sold as seen in pictures; Note every computer shows colors differently; All measurements are approximate; Hardware and instruction/installation manual not included