The Tenyru SL-11040C is a 4-3/8-Inch 40-Tooth Silencer Blade. Features: * High Tooth Counts for Finer Cutting and Less Tear Out * 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 finish carpentry What"s In the Box: * Tenyru SL-11040C 4-3/8-Inch 40-Tooth Silencer Blade