Satin finish (anti-scratch). Suitable for sink hole size - 83 - 90 mm. All sinks are available in left or right orientation. High Metiral PVC and stainless steel. Note: This sink basket strainer is suitable for stainless steel sinks. For granite sinks, marble sinks, plastic sinks and ceramic sinks, you need to check the length of the strainer plug screw 35 mm if it is suitable for the sink before purchasing. If the screw is too short, you need to buy a long screw which is not included. How to Install: 1. Place the PVC circle on the sink hole 2. Place the stainless steel housing on the sink hole 3. Put another PVC circle on the plastic case 4. Connect the plastic case with the stainless steel 5. Use the screw to connect them firmly (screw is included) 6. Put the strainer The screw length of the sink stopper is 45mm. You need to check the screw length of the strainer stopper 45mm if it fits the sink before purchasing. What Is Included: Kitchen Sink Basket Strainer x 1