Sterile safety hypodermic needle engineered for aspiration and injection procedures in clinical settings. The 20-gauge, 1-1/2" straight needle features a sharp bevel design that minimizes patient discomfort during administration. Hinged safety mechanism activates with finger, thumb, or hard surface contact, locking the needle securely to the hub post-use to reduce needlestick injury risk. Stainless steel construction ensures durability and reliability. Luer-lock hub connection provides secure attachment to standard luer slip and luer-lock syringes. Ergonomic finger and thumb grips with ridged, nonslip surfaces enhance control and handling. Box of 100 sterile units ideal for hospitals, clinics, and medical facilities requiring dependable injection safety solutions.