... and various colours own quarry,professional factory Spray white granite island kitchen countertops,newstar granite countertops,work tops 1. Standard sizes for ... the American Tabletops:Kitchen countertops : 78"x25-1/2",78"x36",96"x25-1 ... " ,98"x25-1/2", 98"x36”,108"x25-1/2".Island tops:76"x36",76"x40",98"x36",98"x40",100 ...