The Vintage Diamond 12" Flyer Fastpitch Softball, Model 12RFP 47, is a high-quality softball certified by the National Federation of State High School Associations (NFHS). Made with a compression hardness of 375 and a COR of 0.47, this fastpitch ball features a 12-inch size, yellow color, and a durable leather material. Suitable for games, practice, and some pitching machines, this softball is designed for maximum performance on the field. With its vintage appeal and advanced features, the Diamond Flyer Fastpitch Softball is a reliable choice for softball players looking to enhance their game.