Danfoss GBC service (repair) kit, OEM order code 009G7011 (Allen Key type). Service part for the Danfoss GBC shut-off ball-valve range, covering valve sizes GBC 6s–22s. Sized to a 21 mm width-across-flats stem/cap. The Allen Key variant matches the stem drive used on those GBC valves. 009G is the legacy Danfoss order-code series for GBC valve spares. Order by the GBC valve size band — confirm the size stamped on your valve before ordering. Data quoted verbatim from store.danfoss.com (code 009G7011).