Based on this product's specifications, here are some alternatives and similar models
Pliers C-clamp Irwin T18EL4 150 mm adjustable pads (6SP) for clamping
Summary description:
Irwin C-clamp pliers model T18EL4 (6SP) are 150 mm clamping pliers with adjustable pads designed to apply and hold pressure on workpieces. Suitable for woodworking, metalworking and assembly tasks where a localized clamping grip is needed. Compact design provides access in tight spaces and the adjustable pads protect surfaces during clamping.