Metal hub (nickel plated brass) needles can be used with TLL syringes and LT or TLL connectors. The needles are 304 stainless steel (sst.). Standard needle length is 2" / 51 mm.
Kel-F hub (KF) needles can be used with Luer Tip (LT) and PTFE Luer Lok (TLL) syringes and connectors. Standard needle length is 2" / 51 mm.