A safety-engineered, multi-sample blood collection needle that offers simply, effective way to collect blood while reducing the possibility of needlestick injuries. It features a patented safety shield that allows for one-handed activation to cover the needle immediately upon withdrawal from the vein and confirms proper activation with an audible click.- Needle, 21G x 1", Pre-Attached Holder, Green Shield, 100/cs (Minimum Expiry Lead is 90 days) (Continental US Only) (Drop Ship Requires Pre-Approval)