BIGBOY is available in four teeth sizes/configurations (tpi - teeth per inch): 5.5 tpi a Extra Large/Coarse (pruning, green wood), 6 tpi - Large/Coarse (pruning, green wood), 8.5 tpi - Medium (soft wood), and 11 tpi - Fine (hard wood, bamboo). Each BIGBOY has a color-coded handle associated with the teeth configuration: Yellow a Extra Large, Red - Large teeth, Black - Medium teeth, and Blue - Fine teeth.