Maintains soft, flexible shape wet or dry. Sponge won't harden and crack. Quick-Lok refill system takes just seconds to replace the refill. Built-in scrubber removes scuff marks and stubborn stains. Automatic squeezing action makes wringing a breeze. 48 in powder coated steel handle with hang-up feature. Uses Type S No.0442 (SKU 007.9012) and 0452 refill.