Based on this product's specifications, here are some alternatives and similar models
Dumbbell Bestif 20 kg cement-coated weight – single hand weight 20 kg
Summary description:
Bestif cement-coated dumbbell, 20 kg weight for strength training and functional workouts. Constructed with a cement-filled head and protective coating to reduce floor damage and noise. Suitable for home and gym use, ideal for exercises like presses, rows, squats and deadlifts. Compact single-piece design for reliable handling and progressive loading.