Sailing Boat without flag, posts made of steel

Device made of non-impregnated mountain larch, steel uprights. Palisades white-peeled, sawn timber heart-cut. Tongue and groove planks made of 4 cm solid wood, highly resilient, no trickling through. Cardan joint, hot-dip galvanised, consists of two sintered metal plain bearings, allows free swinging in all directions. Profiled disc for optimum pressure distribution and protection against water ingress. Retractable two-part screws. Back and forth movements with sintered metal plain bearings, self-lubricating. Hot-dip galvanised steel chains (V2A / V4A for an extra charge) welded before galvanising, short-linked, without eyelets on the connecting parts, easy to replace and shorten.