Cannulae, most importent part of a needle is made from
hyper chrome stainless steel, that meets the applicable
elemental contents specification of the ASTM: F_899_84
standard. The main feature of "Swent"
needle is cannulae with super sharp Lancet Point,
which is a unique feature. This special point with long
bevel, offers longer life of point, reduce coring and
has painless penetration.