Satin finish (scratch-resistant). Fits 83-90mm sinks. All sinks are available in left or right versions. High-quality PVC, metal, and stainless steel. Note: This sink strainer is suitable for stainless steel sinks. For granite, marble, plastic, and ceramic sinks, please check if the 35mm screw on the strainer is suitable for the sink before purchasing. If the screw is too short, you will need to purchase a long screw, which is not included. Installation: 1. Place the PVC circle over the sink hole. 2. Place the stainless steel trim over the sink hole. 3. Place another PVC circle over the plastic housing. 4. Connect the plastic housing to the stainless steel housing. 5. Connect the two firmly with the screw (screw included). 6. Insert the strainer. The length of the sink drain screw is 45 mm. Check that the length of the strainer drain screw (45 mm) is suitable for the sink before purchasing. Package Included: 1 x Kitchen Sink Strainer Basket