11" natural fiber cellulose sponge and replaceable scrubbing pad removes caked-on dirt and scuff marks. Butterfly squeezing action with oversized nylon rollers. 54"L steel handle with swivel hang-up for easy storage. Nylon nuts retain refill. Uses Type J No.0272 (SKU 474.6152) refill. Fully threaded posts ensure maximum security of mop refills to mop head assembly. No loosening of thumb screws prevents sponge refills from falling off. This item cannot be shipped to APO/FPO addresses.