Single Hole Deck Mount,Diameter of hole in sink should be 33mm to 45mm
Cold and hot water,with two 3/8" water supply lines,complete with mounting fittings
If you need a longer mounting shank(pipe) for a thicker countertop,please contact seller or refer to ASIN:B06XKLP429
If you need a sink drain,refer to item(ASIN):B073F42YSD
Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem