Amana tool 55312 Carbide Tipped 45 Deg Laminate Miter Joint Undercutter Assembly 1-3/8 D x 1/4 CH x 1/4 Inch SHK w/ Lower BB Router Bit

4 Wing with 'Ultra-Glide'™ Ball Bearing Assembly Carbide-Tipped. a) Laminated top is 'under-cut'. b) Apron laminate is pre-cut at 45°. c) Adhere pre-cut laminate for a perfect fit. A fine file may be used to remove the sharp edge after joining.