Flexible rubbery plastic which eliminates the ability to be sharpened or melted into a shank Safety Orange Polymer is flame-resistent Ribbing acts as a beater when shaking the mop Standard 5" width Can be locked straight for hallways or unlocked for swivel action around corners Durable “Panther Pole” Black Fiberglass handle is connected directly to connector with adhesive Metal-Free Made exclusively for the Shank-Free Backbone