TopFine Insulin Pen Needle 100pcs/box Size: 4mm/5mm/6mm
Do not resterilize or reuse
Non Toxic, Non Pyrogenic, Sterile
Instruction for use
1. Remove the protective seal.
2. Press the needle so straight on the pen and screw it clockwise until it is firmly attached.
3. Remove the outer protective cap.
4. Rem