Based on this product's specifications, here are some alternatives and similar models
Clamping Tool Irwin 10504156 Heavy Duty Adjustable Bar Clamp
Summary description:
Irwin 10504156 is a heavy-duty adjustable clamping tool designed for securing workpieces during woodworking, metalworking and assembly tasks. The bar clamp features an adjustable jaw for variable opening widths and delivers firm, reliable holding power for glue-ups, repairs and fixture positioning. Suitable for workshop and professional use.