Based on this product's specifications, here are some alternatives and similar models
Screwdriver Bits EINHELL PH1 S2 25 mm, set of 2
Summary description:
Set of two EINHELL PH1 screwdriver bits made from S2 steel with 25 mm length. Designed for Philips PH1 screws, these 2-piece bits suit handheld and powered screwdrivers with standard bit holders. Provide reliable fit and torque transfer for assembly, maintenance and general fastening tasks in household and workshop use.