Amana Tool 57269 Carbide Tipped Undermount Bowl Solid Surface 2-7/32 Dia x 63/64 Cut Height x 18 Deg Angle x 1/2 Inch Shank Router Bit

This bit has a 18 degree cutting draft with a bearing that matches, enabling the cutter to do more work so you have to do less and is designed specifically for use in undermount installations of:

Gemstone Vanity #'s 1512-VO, 1610-VO, 1612-VO, 1713-V, 1319-VFO, 1321-VO, 2213-VO (Baby Bath), 1311-S

Wilsonartニ_ Vanity #'s BV1612, BV1512, BV2213

Formica Vanity # L065

They trim and profile the counter-top edges after the bowl is mounted.