The industry exclusive Franke fast-in quick install system makes sink installation as simple as 1, 2, click! the fast-in sinks combine the durability and beauty of stainless steel with simple, no-tools-required top-mount installation. Simply apply silicone sealant around underside of sink, line up the sink over the countertop hole, and then push down firmly until you hear the sink click into place. The pre-attached clips have now locked the sink firmly into the countertop. The sleek, slim-rim design of this sink will update your kitchen instantly! the 9 inch offset double bowls are designed to maximize capacity in a standard size countertop cut out. Minimum cabinet size is 36-inches.