Part number : KPG0301 - flush mount or top mount gas cooktop.
Part number : ICG0301 - integrated in an 4mm inox worktop.

Burners:
1x 5.8 kW Wok burner
1x 3.0 kW Power burner in the middle
1x 1.7 kW Standard burner at the right

Dimension cooktop : 830x520x4 mm in brushed inox 304
Dimension housing : 800x485x95

Downloads:
The dimensions of the cut out for the flush mount cooktop are listed in the general KOONAKA leaflet.