Based on this product's specifications, here are some alternatives and similar models
Drill bit AWTools AW40953 Step twist drill 4–39 mm AICrN black
Summary description:
Step twist drill bit AWTools AW40953 with a stepped diameter range from 4 to 39 mm. Made with AICrN coating and black finish, this multi-step twist drill is designed for drilling varying hole sizes without tool changes. Suitable for metalworking, thin sheet materials and general workshop tasks where progressive hole enlargement is required.