what is an iso float
The Iso fishing float is a float made out of either wood or plastic with precision and balance which is accompanied by a certain buoyancy number. Float sizes start from ( smallest to largest): 0, G4, G2, G1, B, 2B, 3B, 0.5, 0.8, 1.0, 1.2, 1.5, 2.0, 2.5, 3.0 etc.