Galvanized steel construction to help protect in caustic situations. Scraping edge for removing debris and sludge. Replaceable neoprene blade stands up to most solvents for professional use and stands up to most chemicals, paints, and solvents for consumer use. Moves large quantities of water and other fluids. Handle not included. Refer to Model No. 54424 (24") and 54436 (36") for replacement blades and Model No. 1629 (SKU 621937) for wood handle.