Kraus CS-4 Stainless Steel Colander Chrome-plated premium t-304 stainless Steel construction Multi-functional kitchen accessory Features soft protective bumpers Superior finish is corrosion & rust-resistant Limited lifetime warranty Chrome-Plated Premium T-304 Stainless Steel Construction Multi-Functional Kitchen Accessory Features Soft Protective Bumpers Superior Finish is Corrosion & Rust-Resistant Limited Lifetime Warranty Compatible with the following sinks: KBU10, KBU15, KBU23 (LB), KBU24 (LB), KBU25 (LB), KBU27 (LB), KBU28 (SB & LB), KHU105-32 (LB), KHU123-32 (LB), KTM-24, KTM-32 (LB)