Safety-engineered winged sets for both infusion and blood collection. They feature a translucent, integrated, protective shield that allows for one-handed activation immediately after use to help minimize the risk of needlestick injuries as well as clear visibility of blood flashback.- Blood Collection Set, Safety-Lok with Pre-Attached Holder, 21G x " Needle, 12" Tubing, 25/bx, 8 bx/cs (Continental US Only) (Drop Ship Requires Pre-Approval)