The Monoject™ safety syringe is proven effective and preferred by millions of users each day. Our exclusive design helps keep clinicians safe with maximum clinical flexibility. Complies with OSHA Bloodborne Pathogens Standard for Engineering Controls. Monoject™ 1 mL Tuberculin Safety Syringe with Needle, 28 G x 1/2" (0.356 mm x 1.3 cm).