Fuji Kogyo Pipe Seat DPS Seat Screw Hood - Defective Sizes available: 17 and 18. Price is for a set of 3. Mixing sizes is OK. Additional purchases are possible. Please consult in the comments. There may be slight compatibility issues between the screw and the seat body. Also, depending on the adhesive condition of the seat and the shape of the reel foot, the body may deform, making it impossible to tighten. This is a sale of individual parts, so we cannot address any issues with the installation into the seat body. Please be aware of this beforehand. The defect is a noticeable stain on the resin part of the screw hood caused by an organic solvent. Please check the photos.