Based on this product's specifications, here are some alternatives and similar models
Mechanical pencil Pelikan B26 0.5 mm retractable lead, metal clip, push-button advance
Summary description:
Pelikan B26 is a 0.5 mm retractable mechanical pencil designed for precise writing and technical drawing. It features a push-button advance mechanism, retractable lead for safe storage, and a metal clip for secure attachment. Suitable for students, designers and everyday use, it offers consistent line width, refillable leads, and compact portability.