The highly advanced and automated technological process used in the production of KWADRON® cartridges ensures that each one is equally perfect.  KWADRON® cartridges feature a unique needle stabilization system that ensures durability and optimum performance.  The cartridge case was made of medical plastic, which made it possible to minimize friction between the needle and the case, and the needles remain sharp.
 
 Price per unit.
 
 professional use