Based on this product's specifications, here are some alternatives and similar models
Standard kettlebell HMS KZG4 — cast iron, 4 kg, black
Summary description:
HMS KZG4 is a standard cast-iron kettlebell weighing 4 kg in black finish. Designed for functional training, strength and endurance exercises, it features a solid one-piece construction suitable for swings, goblet squats, presses and core work. Compact and durable, it fits home and gym workouts where a light kettlebell is needed.