Livingstone Multiple Sample Blood Collection Needle Pen Type, 21G x 1.5 Inches, 38mm, Sterile, Green, 100 Pieces/Box

A multi-sample needle that provides instant confirmation of needle placement, through a unique visual flashback indicaiton. Makes doctors, clinicians, nurses, and physicians to obtain multiple samples form a single puncture. Smooth and sharp edges allow the patient to penetrate almost painlessly.