Sink is designed for drop-in installation with a beautifully finished rim to make it a focal point of your kitchen Bowl gives you uninterrupted space for washing and stacking dishes or other household tasks 20-gauge stainless steel: highest grade 20-gauge thickness and type 304 stainless steel for everyday lasting durability, performance and finish Quiet: sound-deadening material minimizes sound and vibration for a quieter time at the sink U-channel installation: Mounting clips placed inside the channel before installation mean less time under the sink for an easier install