Pro Expander pellets do not need any bait pump to create the perfect expander.Due to a special process undertaken at the headquarters of Sonubaits, this product can offer you a pellet expander that no longer needs to be pumped!These balls have been designed by England International and the world-class fisherman Des Shipp.Des wanted a pellet expander that would fit well in the hook and that each impregnating pellet would create a usable primer, which was not the case with most of the expanding pellets on the market.After numerous tests, different pre-pumping and fishing tests, Sonubaits finally managed to create a pellet expander that Des was happy to use for all its soft pellet fishing.So, how easy is it to prepare Pro Expander pellets?Just place the desired number of pellets in a bait tank, cover with water and let it rest for the night! Simple to prepare, you do not need to pump them Ideal consistency to create perfect primers Simple to color or aromatize