Description Hull wing hinge mount for 6mm bolts (old version). Includes the 8mm Wing Hinge Mount (WZHWH) and two 6mm Adapters (WZHWH6A). Do not attempt to convert old boat to M8 as the tapping plate is not big enough – On boats before ~2400 Requires: 2 x BO6x25SH – Hull Wing Hinge Mount 6mm Bolt
