Based on this product's specifications, here are some alternatives and similar models
Curl Bar (Olympic 30 mm) No name model 1227 — bent bar for barbell plates 30 mm
Summary description:
Bent curl bar No name model 1227 designed for use with 30 mm diameter weight plates and standard 30 mm sleeves. The bar's angled grip reduces wrist strain and targets biceps and forearms during curls, rows and isolation exercises. Suitable for home and commercial strength training where 30 mm plate compatibility is required.