I would like to know what are your favorite square bill materials ( plastic, balsa or hardwood or ? ) ? Why and when do you use square bills that are plastic and when and where do you use wood square bills ? What size square bill (1,2,3 or 1.5 or 2.5 3.5 do you fish> why and when ? I just looking for some expert information to help me with my confusion(guessing) on square bills.. Thanks for looking and Answering..