60 Day 100% money back guarantee. Pack of 4 Popper 7976 stainless steel needle, 20 gauge x 2 7/8″ length, intended for laboratory/industrial syringe applications. The original packaging was opened only to photograph the item; there are no signs of use or residue. Made for precise liquid handling, sample transfer, or chromatography work where a durable, reusable metal needle is preferred. Please confirm compatibility with your syringe and protocol—no testing was performed. Ships well‑padded from Carol Stream, IL. Photos show the exact unit you will receive (SKU 3008). Keyword Block: popper 7976, 20g needle, 2 7/8 inch stainless needle, lab syringe needle, chromatography needle, reusable metal needle, laboratory supplies