The Vintage Billard 2-1/2 lb Plates Cast Iron Barbell is a standard size weight plate designed for weight training and weight lifting activities. Made of durable cast iron material in a classic black color, this barbell weight plate features a 1.25" hole diameter for easy handling and use. With a weight of 2.5 lbs or 1.13 kg, this high-quality product is a reliable and long-lasting addition to any fitness routine or weightlifting setup. Proudly made in the United States, this vintage Billard barbell weight plate is a must-have for serious strength trainers and athletes.