Cordless Needle is designed for eliminating dangerous coring at puncture. It has two types of needles: Straight Type and 90 Angles Type. The needle size ranges from 19G (1.05mm) to 22G (0.70mm). It comes in 3 colors: black, brown and yellow. Key features of Cordless needle are transparent in inspection of fluids, have flexibility during normal temperature and are sterilized. It has a tube with a large lumen.