Premium hypodermic needles manufactured in Japan. The low dead space needle hub is designed to reduce the effective space left behind in the needle hub to nearly zero. Featuring a hard polymer hub to help prevent flexing and pop-off, external hub threading to reduce risk of leaks, and TSKiD™ large needle barrels that have enlarged inner diameters for less extrusion force. Needles made of surgical stainless steel. Recommended for use with Luer Lock syringes. FDA registered, CE Mark, and ISO 9001 certified. The INVISIBLE NEEDLE features the low dead space hub on TSK's smallest needle ever! Pairs well with our RL1 Low Dead Space Syringe!