Based on this product's specifications, here are some alternatives and similar models
Corona C5114 1/2" Drive 21mm Deep Hex Socket
Summary description:
The Corona C5114 is a 21mm deep hex socket designed for 1/2" drive tools. This professional-grade socket is engineered for high-torque applications, providing secure engagement with hexagonal fasteners. Its extended length allows for access to recessed bolts and threaded rods, making it an essential tool for automotive maintenance, mechanical repairs, and industrial assembly tasks.