This roughneck rou34442 tenon saw has triple ground teeth for faster cutting these teeth are heat treated teeth for a longer lasting cutting edge the saw has a double injected soft grip handle for comfort and hand protection the handle is shaped to allow 90 and 45 cutting the saw is suitable for cutting hardwood softwood rough timber board sheet worktop floorboard melamine and pvc blade length 300mm 12in blade thickness 1mm teeth 11 tpi