This set of two IRWIN metal spring grip clamps is perfect for any DIY or professional project that requires secure clamping. With a clamping capacity of 1 inch or 25mm, these blue clamps are made from a durable combination of plastic and metal materials. The spring design ensures easy installation and adjustment, making them a go-to choice for any job. Whether you're working on a piece of machinery or a household project, these clamps are a must-have for any tool kit.