Based on this product's specifications, here are some alternatives and similar models
Wrench MEGA 41 mm flat-ring spanner model 35291, 41mm
Summary description:
Flat-ring spanner MEGA model 35291 with a 41 mm jaw size. Hand tool designed for turning hexagonal nuts and bolts; combines an open flat end and a ring end for versatile access. Suitable for mechanical repair, assembly and maintenance tasks where a 41 mm spanner is required. Durable construction intended for workshop and professional use.