Pro Expander F1 4mm, 4MM
![](https://anglingstoreuk.co.uk/wp-content/uploads/2024/06/go_439239_afeedId58303k622d59de94dcce7fb1a3c50dd6913f411cce55fd.jpeg)
Premium quality Swim Stim Pro-Expanders are designed to be pumped or left to soak in water, to create the perfect sinking soft hook or feed pellet.
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Premium quality Swim Stim Pro-Expanders are designed to be pumped or left to soak in water, to create the perfect sinking soft hook or feed pellet.