This high class T-304 grade stainless steel sinks are made with heavy 16-gauge stainless steel, brushed nicked finished for corrosion,stains, scratch and dents resistance. easy to clean and use long-lasting.Tracks on the front and back of the sink allow to place and slide, including the cutting board and colander on the sink, 2 Hole: One for kitchen faucet, one for soap dispenser.The X groove is designed for easy drainage, the a slight dip at the bottom to prevent water accumulation.Use 3mm sound guard undercoating and thick rubber padding,Ultra quiet designs with thicker & softer Rubber Noise Reduction Pads. Anti-condensation Thickening Noise Reduction Coating, absorb sound from the source, and isolate condensate.