Insuline injection needle

pen

Specification:34G x 4mm,33Gx4mm,32G x4mm,31Gx5mm,31Gx6mm,31Gx8mm,30Gx8mm,30Gx10mm,29Gx12mm. It's used to inject insulin into diabetic patients. Sterile Pen Needle For Insulin Injection It's used to inject insulin into diabetic patients. 1.High compatibility, internal thread of standard design is suitable for most brands of insulin pens. 2.The best sharpness makes insulin injection more comfortable.