Based on this product's specifications, here are some alternatives and similar models
Masonry trowel AWTools AW30209, weight 260 g
Summary description:
Masonry trowel AWTools AW30209 is a hand tool designed for spreading and shaping mortar and plaster. The model AW30209 weighs 260 g and features a standard flat blade and handle configuration for general masonry tasks. Suitable for bricklaying, repair work and small construction jobs where precise mortar application is required.