Side press wringer is part of the Rubbermaid WaveBrake mop bucket and wringer system that reduces splashing for a safer environment, cleaner floors and improved productivity. It lasts 58 times longer than comparative wringers. It is tested to exceed 50,000 wringing cycles; average wringers perform approximately 860 cycles. High-efficiency wringer is designed for use in 28 quart and 35 quart WaveBrake buckets. Durable construction includes premium tubular steel and structural web molded plastic.