Based on this product's specifications, here are some alternatives and similar models
Coaxial adapter DELOCK 88841 — male 7/16 to male 7/16, 29×42.2×29 mm, 1 pc
Summary description:
DELOCK 88841 is a coaxial adapter with male-to-male 7/16 connections. Physical dimensions are 29 × 42.2 × 29 mm and the package contains one piece. Designed to connect compatible 7/16 coaxial cables or equipment, it is suitable for RF signal routing and installations requiring robust male 7/16 coupling.