Safety-engineered needles with attached pivoting shield to protect user. Patented safety shield allows for one-handed activation to cover the needle immediately upon withdrawal from vein. 21 gauge. Green hub. Length: 3.175cm.
Convex Mirror, Material: Glass, round, designed for physics and educational use, Because of their educational use design, there may be minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 3inDiameter, 75mm Focal Length, 2.8mm Thick
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