... of kitchen granite countertops, island tops, table tops, bathroom vanity tops, work tops, bar tops, etc. We provide both ... one undermounted or two undermounted sink.2.Common Size of Vanity Top: 23"x19"/22",31"x19"/22",37"x19"/22 ... Standard,3/8" Radlus Top/Bottom,3/8"Radlus Top,3/8"x3/8" Bevel Top,3/4 Dupont,3/4 ... 4"Full Bullnose,Flat Standard,1/4" Bevel Top,3/8" Radlus Top,3/4" Flat,3/4" half Bullnose. ...