Based on this product's specifications, here are some alternatives and similar models
Marking pencil Wolfcraft WF521500 for marking deep holes (1 pc)
Summary description:
Wolfcraft marking pencil WF521500 is a single-piece tool designed for marking inside deep holes and narrow recesses where conventional pencils cannot reach. Compact and easy to handle, it helps accurately transfer reference points on workpieces for drilling, machining or assembly tasks. Practical for workshops and construction jobs requiring precise internal marks.