Disposable Syringe with Needle (Hexacare) Size 20ml x 21g-1 1/2" is a sterile, single-use syringe designed for larger volume injections. The 20ml capacity is ideal for administering larger doses, and the 21G needle (0.8mm x 38mm) ensures effective penetration while minimizing discomfort. This syringe is pre-assembled with the needle for convenience, and each pack contains 50 units, making it perfect for medical professionals and healthcare facilities requiring a reliable, high-quality solution for injections.