Features: it is 25.4mm cartridge which is only for not encrypted Printers. This ink cartridge only for Printers with 25.4mm printing height, for 50.8mm Printers need buy two 25.4mm cartridge. This replacement ink cartridge print highly yield printing for 1200pages A4paper Suitable for no encrypted Hand Inkjets Printers, encrypted Printers can not use directly otherwise do not bear responsibility Solvent fast drying ink, please note it is Inkjets not engrave so wait ink dry Specifications: Item: Quick Drying ink cartridge For：G1309S+ Capacity: 42ml For 25.4mm height Length： about 10cm/3.94in Color：Optional Number of Printed Page：for 1200pages Package Includes: 1Set For G1309S+ Ink Cartridge note: it is 25.4mm cartridge which is only for no encrypted Printers. Encrypted Printers need customizes cartridge Due to the problem of lighting effect, there will be tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.