ESP Cork Sticks, ESP Cork Sticks are ideal for popping up Tiger Nuts, Boilies, etc. These 4mm or 6mm diameter cork sticks are made to fit the holes produced by the ESP Nut Drill. By inserting different lengths of the cork stick into your bait will create a different range of buoyancies. These cork sticks can be trimmed off flush with a pair of scissors or a blade.
