Wanhai Medical auxin pen /High quality insulin pen

1.Metal body with elegant design, reliable and durable

2.High precision metal refined screw, accurate and stable injection process

3.Dosage 1u, adjustable from 1u to 72u

4.Secured bi-directional dosage adjustment. Automatic scale reset and self-lock upon completion of injection

5.Applicpable to various injection contained in 3ml pre-filling sealed bottle