Immediate shielding & permanent lock needle to prevent risk of sharp injuries. ETO-sterilized, blister packed & color coded. Safety mechanism engages w/audible ‘’Click’’. when shield is pushed forward & turned in either direction. Easy to read dose markings. Smooth plunger movement for gentle injection. 100/Bx 10Bx/Cs #2102-1/2cc 29G 1/2" #2101-1cc 29G 1/2" Latex Free UNSPSC#42142609 REPLACES DY8901 AND DY8904 D/C