Timberline Chainsaw Sharpener with 7/32" Carbide Cutter (for 3/8&Prime; and .404&Prime; pitch chain) Fast. Sharpens each tooth in seconds. Precise. Every tooth sharpened to the same length and angle. Durrable. High quality machined aluminum. Portable. Take everywhere and sharpen anytime. Easy. Anyone can sharpen a chainsaw with professional results.