Amana Tool 45563 Carbide Tipped Bottom Cleaning 3/4 D x 7/16 CH x 1/2 Inch SHK w/ Upper Ball Bearing & Upshear Design Router Bit
Shank-mounted ball-bearing for pattern and template routing.
Used for cutting or milling flat bottom grooves or dados. Ball bearing guide is useful for pattern and template routing. Upshear design provides excellent finish and chip removal.