The Authentic Original Standard 24 Washboard is made of 24 gauge stainless steel and is for the Professional Washboard player. Key of Z Rubboards AKA Washboards Frottoir scrubboard are the original makers of the washboard as we know them today Tee Don is the son of Willie Landry who designed and created the first over the shoulder Frottoir for Clifton & Cleveland Chenier in 1946 in Port Arthur Texas. Key of Z rubboards are also in the Smithsonian National Museum of American History and many other museums around the world. Key of Z Rubboads have been made for many artist such as ZZ Top Kid Rock Rihanna and many many others. Own a piece of history.