POCKETBOY is available in two blade lengths: 5-inch (130 mm) and 6-3/4-inch (170 mm). The blades are interchangeable within the same blade length. Every blade length is available in four teeth sizes/configurations (tpi – teeth per inch): 7 tpi – Large/Coarse (pruning, green wood), 8.5 tpi – Medium (soft wood), 17 tpi – Fine (hard wood, bamboo), and 22 tpi – Extra Fine (dry hard wood). Each POCKETBOY has a color-coded handle associated with the teeth configuration: Red – Large teeth, Black – Medium teeth, Yellow – Fine teeth, and Purple – Extra Fine teeth. Blade length: 6.70 inTeeth per in: 8.5Cut capacity (inches): 3.40 inBlade material: SK-4 high carbonHandle material: Rubber, steelN/A