Diameter: 50 mm
Often used as Deck Hatch Lifting Eye.
From 2010 also used as Lifting Eye for Floor Boards inside the Hallberg-Rassy Yachts.
PLEASE NOTE: Same Diameter, however the cutout to the deck/floorboars will need some adjusting.
Only known replacement for previous "Lifting Eye for Floor Boards" which has been discountinued. See second photo.