GC Micro Syringes With Needle Tip provided by STE-Mart are available with dead volume or zero dead volume. Zero dead volume type comes with PTFE plunger while dead volume type doesn't have it.
Specification
Capacity: 50μl Type: with dead volume Needle Tip O.D.: 0.5mm Needle length: 55mm Plunger Material: PTFE Package: 1EA