- Painless design:Imitate hummingbird mouthparts,eight points for less penetration force;
- Hardness:Medical grade austenitic SS,15 special processes for needle tip,extremely hard,not bent,not broken, liquid-tight;
- Safer:UItra-thin wall,Larger internal volume,faster flow rate,less clogging risk;
- Compatibility:Widely match with most insulin pens on the market