The Jet Tools 144C C-Clamp features a jaw opening of 0" to 4" and a throat depth of 2-3/4", making it ideal for a variety of clamping applications. This 140 Series clamp is constructed from high-strength materials, ensuring durability and reliability in demanding environments. Its ergonomic design allows for easy operation, providing a secure grip on materials during woodworking and metalworking tasks. Perfect for both professionals and DIY enthusiasts, this C-clamp enhances precision and stability in your projects.