Check the listing for details. Window Sill Router Bit - 1/2" Shank - Yonico 18146. Condition: New. Listed at 22.95 USD. 1" Window Sill Router Bit - 1/2" Shank - Yonico 18146 Click images below to enlarge Brand: Yonico Brand New Item#: 18146 Ships Fast This bullnose & cove window stool router bit will cut stock up to 1" thick and 15/32" deep. The bit's overall length is 2-3/4" and the shank is 1/2". Number of Bits Shank Diameter 1/2" Radius 13/64" Degrees Cutting Diameter Cutting Depth 15/32" Cutting Length 1" Largest Diameter 1-9/16" Overall Length 2-3/4" Number of Flutes 2 Bit Construction Carbide Tipped Design Application Coating Flute Angle Mortising Height Minimum Stock Thickness Maximum Stock Thickness Bearing Height Bearing Inner Diameter Bearing Outer Diameter Description Add a decorative edge to any window stool giving your window a custome trimmed look. A window stool is the wooden ledge that sits on the window sill which protrudes somewhat making a small shelf or mantle. We are the only authorized Yonico distributor on eBay. While you might see other "yellow" router bits being sold, the Yonico brand is manufactured in their american owned exclusive factory and does not produce products for any other brand. Free shipping to anywhere in the continental USA. Most orders go out the next business day. That means that your order will be at your door in no time. We ship to nearly every location on earth at very competitive rates and your package also gets to you quick. We have been a superior seller for over a decade. Our 40,000+ reviews give you the assurance that our quality and service is right at the top.