Satin finish (scratch resistant). Fits sink hole sizes 83-90mm. All sinks are available in left or right orientation. High quality PVC metiral and stainless steel. Note: This sink basket strainer is suitable for stainless steel sinks. For granite sinks, marble sinks, plastic sinks and ceramic sinks, please check whether the strainer plug screw length 35mm 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 over the sink hole 2. Place the stainless steel casing over the sink hole 3. Place another PVC circle on the plastic casing 4. Connect the plastic case with the stainless steel 5. Use the screw to connect them tightly (screw is included) 6. Insert the strainer. The length of the sink plug screw is 45mm. You need to check whether the length of the strainer plug screw (45mm) fits the sink before purchasing. What's included: Kitchen sink basket strainer x 1