Marten, Howes & Baylis Model Boat FittingsMHB058 Double Bollard:
cast brass double bollard, Base 23x6.3mm, Bollard Ø (stem) 4mm, Bollard Ø (top) 6.5mm, Height (excluding fixing pin) 9.4mm. Supplied on a stem to allow easy polishing if desired - stem may also be used as a fixing pin. Pack of 2.