Eagle’s Countertop Drop-in-Sinks With No Deck can be mounted onto top or bottom of countertop. For bottom mount, order kit #362188. Heavy gauge type 304 series stain less steel coved bowls with large radius. All sinks feature 1 3⁄8″ trim on all four sides of sink. 18 or 20 gauge industrial grade construction and quality. Self rimming and deep-drawn.