kitchen drain 1)Material :304,316stainless steel 2)surface treatment:polished finish 3)professional design and manufacturing 4)delivery on time 5)high quality and low price 6) We have our own products.The table below is just parlty specification of our products,for details,please contact us directly. ThreadTypeSquareShapeGrateSizeOutletDIA(I.D)Height3"-8"NPSM146x146mmDia79.4mm58mm124.8x124.8mmDia76.2mm54mm Besides,we can produce many kinds of kitchen drainer according to your drawing and requirement.