The Wilton 540A-5 C-Clamp is the perfect tool for your next project. It has a throat depth of 2 1/2 in., making it suitable for most applications. Made of ductile iron, this black oxide c-clamp is both strong and durable. The black oxide finish protects against corrosion, while also giving the clamp a sleek look. This 5″ c-clamp has a max opening of 5 in., which makes it easy to use on any project. Whether you are working with wood or metal, the Wilton 540A-5 C Clamp will be able to handle whatever you throw at it.