The OEM Cub Cadet 50 Inch Blade Set includes 3 blades made of steel, designed for Cub Cadet tractors and RTZ mowers with a 50" deck. The blades are black in color and have a star center diameter, with a length of 17.27 inches and a height of 18 inches. They are compatible with gas-powered lawn mowers and are a 12V accessory pack with a weight of 6 lbs. Made in the United States, these Cub Cadet blades are a reliable choice for maintaining your yard and garden.