The stanley fat max 300mm 12 in floorboard saw has a bi material handle for improved grip and comfort the handle is screwed to the blade and ultrasonically welded it has 45 and 90 reference points for quick cuts and an ergonomically designed finger rest useful for extra control when starting a cut the teeth on the curved end of blade help start off a cut in floorboards there are 13 teeth per inch which are induction hardened for longer cutting life teeth 13 tpi