B07XX3TZVZ Dr.Pen Ultima A1 Replacement Cartridges 36 Pins (50 Pcs)

50 pcs of 36 Pins bayonet slot cartridges fit on Dr.pen Ultima A1 One Time Use Each dr.pen a1 cartridge comes in individual sealed package, if the package is open, do not use One time use, do not share with others 0.25mm