Boat part number 8800045 is a new 3 blade, 13 3/4 inch x 15 pitch right hand propeller from Mercury Marine, Black Max series, part number 48-77342A45 . Commonly found on Avalon Boats, part number M115 . Includes Flo-Torq II hub assembly kit Mercury part number 835257K1 . For good overall performance and value, the Black Max is your prop. The Black Max aluminum propellers are standard equipped on most boats with Mercury/Mariner/MerCruiser power. Recommended for use on boats with up to 250 HP and with a top speed of less than 50 MPH. 13 3/4 inch x 15 pitch right hand rotation. Hub has 15 splines. Specifications: Boat Manufacturer: Avalon Boats Part Number : M115 Part Manufacturer: Mercury Marine Series: Black Max Part Number: 48-77342A45 UPC: 7450614018464 Size: 13 3/4 inch x 15 pitch Rotation: Right Hand Materials: Aluminum Finish: Glossy black powder coat Splines: 15