Based on this product's specifications, here are some alternatives and similar models
Rack rail kit Chenbro 84H323610-034 for rack chassis, metal rail kit
Summary description:
Chenbro 84H323610-034 is a metal rail kit designed for rack chassis. This rail kit provides mounting rails and hardware to secure compatible server or network chassis into standard rack enclosures. Suitable for datacenter or server room installations where a durable metal rail solution is required for chassis support and easy slide-in access.