31 gaugeNeedle length is 5/16 inchAttached, nonsafety needle is made of stainless steelTip is tri-beveled and fixedVolume is 0.5 mLU-100 insulin graduationsSYRINGE/NDL, EASY TOUCH .5CC 31GX5/16" (100/BX 5BX/CS)SKU: 1156902_CS$1.99PriceQuantity*Add to CartBuy Now