Based on this product's specifications, here are some alternatives and similar models
Document holder R-Go Tools Read2Write
Summary description:
The R-Go Tools Document holder Read2Write is designed for both reading and writing, featuring an ergonomic design with a soft foam wrist rest. Made from durable matt acrylic and aluminum, it supports a maximum weight of 2.5 kg. Its dimensions are 460 mm width, 320 mm depth, and 168 mm height, making it suitable for A3 documents. This product is made in the Netherlands and comes with a 2-year warranty.