Patented design features molded-in wave baffles that reduce wave motion. Less splashing and spilling means safer, cleaner, more efficient mopping. 35-quart capacity bucket. High-efficiency wringer lasts 29 times longer than comparable wringers. Tested to exceed 25,000 wringing cycles. Buckets nest, even with casters attached, to save space. Mop handle secures during transport, preventing damage to walls. Nonmarking casters. Constructed of tubular steel and structural web molded plastic. For up to 32-oz. mop heads.