Chain spool with ring 3/8" Picco 7d. For models: MS 210 C-BE MS 210 MS 211 MS 211 C-BE MS 230 MS 230 C-B MS 230 C-BE MS 250 MS 250 C-B MS 250 C-BE 021 023 023 L 025 Includes: Disc Ø 27 mm, Clutch drum, Annular chain sprocket 3/8" Picco 7d.