Available in a full range of styles and materials, WEALSON spiral wound gaskets can be used in all industry flanges,According to the need of the mating flange, the gasket is provided with an outer ring, an inner ring or both outer and inner rings. Grade: W202J Spiral winding only W202N Spiral winding with inner ring W202W Spiral winding outer guide W202L With outer guide and inner ring In addition,we can offer gasket materials,spiral wound gasket,PTFE gasket,asbestos gasket,non-asbestos gasket,graphite gasket,PTFE coating gasket,flexible graphite ring,reinforced graphite gasket,metal jacket gasket,corrugated gasket,serrate gasket,ring joint gasket,etc. You can visit our website www dot wealson dot com or contact me sales at wealson dot com We will be sure to send you our best price! Miss Danny Zhao Zaozhuang Wealson Enterprises Co.,Ltd.