Based on this product's specifications, here are some alternatives and similar models
Trowel EPM trapezoid black 200 mm model E-321-2420
Summary description:
Trapezoid trowel by EPM, model E-321-2420, with a 200 mm wide blade in black finish. Designed for applying and smoothing plaster, mortar and levelling compounds. Features a trapezoid-shaped blade for improved edge control and access to corners, suitable for indoor and outdoor masonry, plastering and repair tasks on walls and surfaces.