AMANA 55390 45 DEGREE LOCK MITER ROUTER BIT
First piece is cut flat (horizontal) and the second is cut perpendicular (vertical) to the first for a perfect fit. There is no need to re-align the router depth, provided that the wood is centered to the cutting edge of the bit. Not recommended for use in a pin router nor a router table unless the length of your material can be handled easily.
material size 1/2-7/8
max rpm 18,000