The Monoject™ safety syringe is a proven engineering control and preferred by millions of users each day. Our exclusive design helps keep clinicians safe with maximum clinical flexibility. The Monoject™ safety syringe complies with OSHA Bloodborne Pathogens Standard for Engineering Controls. Monoject™ 1/2 mL Insulin Safety Syringe with Needle, 29 G x 1/2" (0.33 mm x 1.3 cm).