2 Pack - Kitchen Sink Strainer and Stopper Combo Basket Replacement for Standard 3-1/2 inch Drain, Stainless Steel Basket with Plastic Knob, Rubber Stopper Bottom - Hilltop Products : Amazon.co.uk: DIY & Tools
KONE 3-1/2-inch Kitchen Sink Strainer with Removable Deep Waste Basket/ Strainer Assembly/Sealing Lid, Stainless Steel by K.ONE : Amazon.co.uk: Home & Kitchen