Based on this product's specifications, here are some alternatives and similar models
Measuring Carpenter Square Top Tools 30C335 350mm by Top Tools
Summary description:
Carpenter Square Top Tools 30C335 is a 350 mm measuring square designed for woodworking and carpentry layout tasks. It provides a straight 90° reference edge for marking, checking squareness of joints and corners, and transferring measurements. Suitable for use on timber, boards and workbenches, it helps ensure accurate cuts and proper alignment during assembly.