Evwoge 90 Degree Corner Clamp Right Angle Welding Clamp Vise Adjustable Bench Vise Tool Angle Clamp Holder for Woodworker, carpenter, photo framing and Aquarium framing etc. Can use it to clamp 3" width, 1"-2" thickness! Take a reference of the photo on the page Durable right angle aluminum clamp Perfect for box framing, drilling, doweling, and more For welding 90-Degree corners on square tube Maximum clamping range is 2.75"(68 mm); Jaw Width: 3.7inch(9.5cm); Jaw Depth: 1.4inch(3.5cm)