When you buy stainless steel sinks,you need to buy strainer and pipe for them because you need to combine them together so that you can use them in your kitchen. And we have lots of strainer and pipe designs for your choices. 

Usually strainers are made of 201 or 304 stainless steel material and plastic material,or it can be all full plastic material.And pipe is all plastic pipe.Some of the connection can be 1-1/4,1-1/2 Inch and some can be 2 Inch.For more detail, please contact us and here we would let you look at the designs we have