BD Blood Collection Set, Safety Push Button Retracting Needle, 23G x 3/4" Needle, 12" Tubing, Luer Adapter (367342). Push-button safety mechanism instantly helps protect against needlestick injury. Designed to be simple, easy-to-use, egonomic and helpful in protecting against needlestick accidents. 50/BX, 4BX/CS. Price per box.