Based on this product's specifications, here are some alternatives and similar models
Masonry trowel AWTools AW30278, weight 350 g
Summary description:
Masonry trowel AWTools AW30278 designed for spreading and smoothing mortar and cement. Compact hand tool with a weight of 350 g suitable for bricklaying, plastering small areas and repair work. Practical for professional builders and DIY users for precise application of mortar, adhesive and patching tasks.