Based on this product's specifications, here are some alternatives and similar models
Drill Bit Set Irwin HSS-R DIN338 for Metal, 19 pcs, sizes 1–9.5 mm (step increments 0.5 mm)
Summary description:
Irwin HSS-R DIN338 19-piece drill bit set for metal contains ground high-speed steel drills in sizes from 1 mm to 9.5 mm with 0.5 mm increments. Designed for drilling steel and other ferrous materials, the DIN338 geometry provides rigidity and chip evacuation for general workshop and maintenance tasks. Comes as a comprehensive metric assortment for precision drilling.