Specification: Item Type: Hand Wash Basin Sink Material: 304 stainless steel Overall Size: Approx. 30.5 x 30.5 x 13cm/12 x 12 x 5.1inch Faucet Mounting Hole Size: Approx. 36mm/1.42in Drain Hole Size: Approx. 41mm/1.61in Surface Treatment: Frosted brushed surface Installation: First drill the hole in the wall according to the hole spacing of the bracket, then install the bracket on the previously opened part, and finally fix the wash basin to the bracket with a screw to tighten the screws. Fitment: Fits for RV, for Caravan, for Camper, for Boating Package List: 1 x Wash Basin 2 x Fixed Mounting Bracket 4 x Fixing Screw 4 x Nut 4 x Screw Sleeve