Based on this product's specifications, here are some alternatives and similar models
Outlet box accessory Karlik DR-3 – single-piece mounting accessory for electrical installation
Summary description:
Karlik DR-3 outlet box accessory, single piece per pack. Designed as a mounting and finishing component for electrical outlet boxes, it facilitates secure installation of sockets, switches or wiring in wall-mounted enclosures. Compatible with standard box sizes and used by electricians and DIY installers to simplify fitting and alignment during residential or commercial electrical work.