MIKOLO’s Old School Iron Plates feature a classic, one-sided design with a deep lip for easy maneuverability and a secure grip. These iron-weight plates are incredibly durable; they are cast and coated with a high-quality, matte finish. With an aesthetic, raised silver lettering, these plates bring a put-together look to your home gym. The Old School plates are perfect for strength training and powerlifting and are the most cost-efficient way to build out your home gym. They are sold in pairs(10+25, 35 and 45lbs) and set. The 52mm center hole fits all standard barbells. They’re marked in both pounds and kilograms with a 3% weight tolerance.