Do it Best stainless 3-1/2" steel strainer - long shank style. Extra deep cup stainless steel body with locking shell. Long shank with deep cut threads. Fixed post stainless steel basket with safety rolled edge. Die-cast locknut and long shank slip nut. Includes neoprene stopper, rubber locknut washer, locknut friction washer, and flanged tailpiece washer. Refer to model No. K22022 for replacement basket (sold separately).