Based on this product's specifications, here are some alternatives and similar models
Drill bit Irwin 10501996 twist drill bit Ø 1.2 cm, 1 pc
Summary description:
Irwin 10501996 is a single twist drill bit with a diameter of 1.2 cm suitable for drilling tasks. Designed as a twist/spiral drill bit, it is intended for use with handheld or bench drills to create round holes. Supplied as one piece, it is useful for general drilling in materials compatible with standard twist bits.