The Vintage Barbell Collars Standard 1” Lot of 4 in Red is a set of unmarked square nut collars made from cast iron. These collars are suitable for both men and women and are perfect for gym and training activities such as weight lifting. Designed without plates, these barbell collars are a durable and classic addition to any home or commercial gym setup. Made in the United States, these red collars are a stylish and functional choice for fitness enthusiasts looking to add some nostalgia to their strength training routine. Also will fit slightly enlarged diameter standard bars
