Tongue & Groove Router Bit Set – Whiteside 3375

This bit can be used for cutting both a tongue and groove based on how the wood is aligned with the cutting edge. 1/2″ Shank 1-5/8″ Large Diameter 9/32″ Tongue Width 1/2″ – 13/16″ Material Thickness 3-1/8″ Overall Length Made In USA