KEROLL jR 40mm 3.2gr Floating This is one of the most unusual and Best lures around! If your a keen Bass and monster whiting fisherman, then this is a must have lure. The Keroll produces a small but sharp pop that attracts fish from far and wide. Proven on monster bass and whiting it is a lure I consistantly tie on first to test the waters and wake up fish on days when they are sut down.