Scope of application: for the drain hole of the sink with a diameter of more than 70mm (2.75inch) and less than 113mm (4.45inch); NOTE: Please measure the depth and diameter of the drain before purchasing. Micro-perforation: 2mm diameter holes. Allows water to pass through while capturing bits of food and waste, unique beveled edge provides a secure fit. Premium Quality: Stainless steel construction for dependable, rust-free service. suitable for everyday utility use for long lasting protection against clogging. Easy wash with warm soapy water to keep the mirror finish looking pristine over time. Dishwasher clean. Package includes: 2x kitchen sink strainer. Widely use: kitchen, bathroom, bathtub, shower, toilet, sink and other outlet use.