Patented design features molded-in wave baffles to reduce splashing. Buckets nest, even with casters, to save space. Mop handle secures during transport. Nonmarking casters. 35-Quarts capacity bucket. For up to 32-oz. mop heads. Constructed of tubular steel and structural web molded plastic. Use with WaveBrake Wringers RCP 7575-88 YEL/RCP 6127-88 YEL and Dirty Water Bucket RCP 9C74 RED (sold separately) to create a complete mopping system.