General description The Bessey Metal Spring Clamp is designed for heavy-duty use, providing a reliable and firm grip for various projects. With a 51mm opening, these clamps are perfect for securing materials without causing damage. Featuring heavy-duty springs, vinyl tips, and handles, they ensure a strong hold while preventing marking on surfaces. These clamps are nickel-plated to resist corrosion, making them suitable for both indoor and outdoor use. This set includes four clamps, offering a versatile solution for your clamping needs at home, work, or on the job site.