10 Pieces 36 Pin Cartridges for use with the DR PEN A7 Each Dr.pen Ultima A7 cartridge is individually sealed . DO NOT Reuse cartridges Do Not Share With Others These cartridges fit on the Dr Pen A7. 0.25mm

?NOTE?:1.Please don't open package before you confirmation,because this is consumables, when the packaging is damaged, it cannot be resold. So if you decide that these cartridges is not a good fit for you,Please don't open the package. 2.100% Refund for quality problems. 0.25mm. Individually sealed, one time use, disposable cartridges. 10 Pieces of 36 Pins use on Dr.pen Ultima A7.