Get durability, clarity and accuracy from Thermo Scientific™ Manual Removable Needle Syringes. Used for manual sample injection into gas chromatography (GC) instruments with or without the needle, they provide accuracy and reproducibility that provides confidence in analytical results, time-after-time. Choose from a variety of sizes, and types. These syringes are available in standard industry size with black easy-to-read and solvent-resistant markings.