Swim Stims Pro-Expanders are a premium quality expander pellet designed to be pumped or left to soak in water to create a sinking hook or feed pellet. Once prepared, Pro-Expanders internal structure creates a soft yet highly durable pellet that is both easy to hook and hair-rig.

Features:
    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

    The same unique Koi technology promotes an aggressive feed response, setting them apart from other pellets on the market

    Spongy, robust texture ensures they remain firm once soaked/pumped