Satin finish (anti-scratch). Suitable for sink hole size - φ 57 mm. All sinks are suitable for left or right hand orientation. Metiral PVC top 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 should check the screw length of the strainer plug 45 mm if it fits the sink before purchasing. If the screw is too short, you need to buy a long screw which is not included. Diameter: 84mm For sink hole size: φ 57mm Weight: 119g Thickness: 0.7mm How to Install: 1. Put the PVC circle on the sink hole 2. Put the stainless steel casing on the sink hole 3. Put another PVC circle on the plastic casing 4. Connect the plastic casing with the stainless steel 5. Use the screw to connect them firmly (screw is included) 6. Put the strainer The sink plug screw length is 45mm. You need to check the strainer plug screw length 45mm if it fits the sink before purchasing. All sinks fit left or right