Cartridge guides

Clear notes on matching connectors, reading tip labels, and placing an order — so you can choose with more confidence.

01 How to identify your pen model Find the model label before choosing a replacement cartridge. 02 Same pin count is not the same cartridge Match the connector and bay first — pin count comes second. 03 Pin counts explained: 9 to 42 and nano A practical overview of common tip layouts for wholesale buyers. 04 Nano tips versus needle tips How the two families differ on the shelf and in ordering. 05 Shared series tips across more than one pen Why one tip family can appear on several model pages. 06 How to read a cartridge product page What the brand, model, tip list and quantity rules are telling you. 07 Your cartridge order, step by step From selecting specifications to confirming your final quotation. 08 Minimums, increments and mixed tip orders How quantity rules work when you stock several specifications. 09 Browse the catalog or request sourcing? A simple way to decide which path will get you an answer faster. 10 What to photograph for a sourcing request Four clear shots that help us identify an unlisted tip.