Single Bowl Stainless Steel Double Drainer Inset Kitchen Sink 1 & Twin Tap Hole. Single Bowl Double Drainer 1 or 2 tap hole. High quality but great value double drainer kitchen sink by Norther Sink Supplies. Featuring high grade 18/10 stainless steel, this extra long sink is ideal for those with a busy kitchen. If you’re lucky enough to have a utility or boot room, this would be perfect for rinsing extra dirty items. Can be fitted in a 500mm base unit. The tap holes are central to the bowl and the sink comes in either 1 or 2 hole variants. 0.7/0.8mm thick stainless steel. Total size 1310mm x 500mm. Bowl size 400mm x 340mm x 190mm. 1x Bowl Inset Kitchen Sink.