Amana tool 57165 Carbide Tipped 4 Wing Cut Out Solid Surface 3 D x 3/16 CH x 1/2 Inch SHK x 27/32 Depth of Cut Router Bit

To achieve the best possible results, use these bits with a variable speed router: Minimum horsepower: 2-1/2 Speed 12,000 RPM or less Max RPM for 57165 = 12,000 Max RPM for 57166 = 13,000 Use for cutting out undermount bowls, Surell, Fountainhead and other solid surface undermount bowls. For Corian bowls, must be used with a Corian bowl template.