About This SPRING CLAMP SIZE: Each nylon spring clamp measures 9” long. When opened the clamp has a max jaw opening of 4” jaw depth. HEAVY DUTY SPRING METAL CLAMP: Spring clip is made of nickel-plated steel, durable and anti-rust. Very suitable for carpentry, home decoration or industrial production. ERGONOMIC GRIP HANDLE: The arc of the handle improves the comfort. The non-slip plastic cover protects the tool surface. The pivoting tips of spring clamps pivot to remain square on the work surface and evenly apply pressure. GREAT FOR BACKDROPS: Perfect use in a variety of places such as repairing cars, woodworking, photo studio setups, hanging tarps, arts and crafts, and more! Overview Material : Plastic Brand : Online Best Service Color : Black Style : Heavy Duty Item Weight : 1 Pounds Tensile Strength : 50 PSI Manufacturer : Online Best Service