How to use EasyThru needles for insulin 4mm 32g

needle size for insulin Easy to use Single use only, disposable device Safety to handle Easy to read numbers Thin, Fine, Sharp Extra lubricated needle, providers greater comfort Compatible with all available pen models Optimum treatment with maximum simplicity Sterile,Non-toxic,Non-pyrogenic Double point system Patient Point with triple beveling for easy and atraumatic Cartridge point sharpened for a perfect punch with no fragmentation Easy flow of medication without any impurities Size: 32G 4mm , 31G*6mm , 30G (0.3 mm x 8 mm)