Tenryu Silencer Series Saw Blades SL-30580. 12" Dia., 80 Teeth, 1" Arbor, ATAF Grind, .091" Kerf, 5 Degree Rake. Finish cutting. Silencer Body: Laser cut, resin filled slots for less noise and less vibration. PTFE coated plate: Reduces pitch build up and lowers resistance. Great for sliding compound miter saws. Tenryu puts a great deal of care in manufacturing their saw blades to ensure every blade is of the highest quality. See our article on making Tenryu Saw blades.