Based on this product's specifications, here are some alternatives and similar models
Chassis plate SCHROFF 450D model 20860112 — metal mounting plate for rack enclosures
Summary description:
Chassis plate SCHROFF 450D (model 20860112) is a metal mounting plate designed for use in rack and enclosure systems. It serves as a structural component for securing electronic modules and components, providing stable support and alignment within a 19" or proprietary enclosure. Suitable for industrial, telecom and server applications where durable, precise mounting is required.