Based on this product's specifications, here are some alternatives and similar models
19" equipment support Schroff 20118-786 depth-adjustable 2 U
Summary description:
The Schroff 19" equipment support is depth-adjustable and designed for 2 U. It has a maximum weight capacity of 15 kg, with a width of 430 mm and a depth of 250 mm, making it ideal for various equipment setups.