Based on this product's specifications, here are some alternatives and similar models
Oscillating Angle Grinder / Polishing Motor Stand TMC350 (10) by No name — model YTMC03SS
Summary description:
Oscillating motor stand TMC350 (10) for angle grinders and polishing motors, model YTMC03SS from No name. Designed to hold and stabilise a motor for oscillating sanding or polishing tasks. Useful for hobby and light workshop applications where stable motor mounting and repeatable oscillating movement are required. Compatible with motors of matching mounting interface and size; check fit before purchase.