Sterile modules FLAT 7 pointer box of 10Cartridges for our all of our PMU devices (large and mini) Seven pointer is perfect for shading larger areas such as lips and larger eyebrow shapes. Flat arrangement allows to create straighter lines and seamless shading. Our device cartridges have been tested against backflow, are sterile, sharp and precise. Each cartridge is individually wrapped to preserve sterility and is of single use only. Pack of 10 cartridges.