BD SafetyGlide™ Tuberculin Syringes 1/2cc 27g x 1/2" (305945). Permanently attached needle, regular Bevel. Single-handed activated shielding mechanism. Help minimize needle stick injuries by allowing easy and secure shielding of the needle tip immediately after injection. For U-100 Insulin. Safe and secure with visible lock and fingers remain behind needle at all times. 100/BX 4BX/CS. Priced per box.