Each piece in this false bottom set is made from solid 304 Stainless Steel.;Due to the universal domed shape design, it is compatible with any kettle.;Folded stainless steel edges prevents scratching base of the kettle.;Stainless Steel elbow has screw on cap (pictures 2 and 3) to prevent silicon tube knocking loose when stirring.;You get everything you see in the photo.