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Replacement knobs for the 25ml or 50ml HerculesAG Repeater Syringes. Interchangeable colored knobs let you dedicate a particular syringe to a selected vaccine or therapeutic compound to ensure proper administration and avoid mistakes. Packaged in quantities of four in the colors: red,blue,yellow, and black These only work with the HerculesAG Repeater Syringe
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🇺🇸 Ship from USA · On Agora since 2025
$8.90