Based on this product's specifications, here are some alternatives and similar models
Straight pneumatic grinder Rockforce RF-RP7305 — air-powered straight grinder
Summary description:
Rockforce RF-RP7305 is a straight pneumatic grinder designed for air-powered grinding and sanding tasks. As a pneumatic straight grinder, it connects to a compressed air supply and is suitable for metalworking, surface preparation, deburring and general workshop finishing. The tool is compact and intended for professional and hobby use where pneumatic power and precision grinding are required.