The product is a set of vintage 1" cast iron barbell spin lock weight collars from the 1980s-90s. These collars are durable iron and made of high-quality cast iron, perfect for gym and training purposes. Originating from the United States, these collars add a unique touch to any barbell set. They are ideal for strength training and fitness enthusiasts looking for a classic and reliable weightlifting accessory. One side is 1" adjustable and the spin portion measures 1.18"
