Based on this product's specifications, here are some alternatives and similar models
Proline triangle 21350 — hand tool, 1 piece
Summary description:
Proline triangle 21350 is a single-piece hand tool supplied as 1 pc. Designed for marking, measuring and checking angles in woodworking, metalworking and DIY tasks. Compact and lightweight, it serves as a layout and verification aid for square and angled joints, fits into general workshop toolsets and on-site repair kits.