Why Sharpening Hypodermic Needles Is No Longer Recommended bejo 6909 Share Why Sharpening Hypodermic Needles Is No Longer Recommended Hypodermic Needles 21G x 1.5" (Green) - Mediquip Hypodermic Needles 21G x 1.5" (Green) - Mediquip Read also: Families Ask What Causes Dry Mouth In Elderly So Often