The product is a 14 x 21 outboard propeller specifically designed for Mercury 135-300HP engines. Made of aluminum with a black color, this propeller features a spline tooth of 15, 4 blades, and a right rotation. It comes with a 60-day warranty and is compatible with propellers for engines ranging from 135 to 300 HP. The manufacturer part number is 48-8M0084496, and the propeller is of type outboard, with a diameter of 14 inches and a pitch of 21 inches. Made in China, this propeller is a reliable and high-quality option for boat owners looking to upgrade or replace their current propeller.