Size: 18G-23G
Color: Blue, red, black, green, yellow, pink
Its used together with the needle holder, plastic protector for intravenous
Inner wall of needle is extremelysmooth, needle wall is thin enough
It allows you to get the proper amount of blood you need to test for the first time
Its for through-link needle, blood flow can be seen in the needle connector while collecting blood, which is convenient and more safe
It provides for an sassier and safer disposable after each use