Furuno Furuno 000-863-331 M4 Wing Nut (Stainless Steel) January 12, 2016 myfishingreview Boaters Review Rating: No description available. Fishing Details No features available. Fish Rating: List Price: unavailable Sale Price: Too low to display. Boating Availability: unspecified More Boating Reviews: Furuno 000-864-126 M4 Flat Washer (Stainless Steel) Furuno 000-805-687 M4x20 Self Tapping Screw (Stainless Steel) Size M4X20 270 lb Coastlock Snap Swivel (100% Stainless Steel) 6 Pac lb Coastlock Snap Swivel (100% Stainless Steel) 6 Pack 270 Mantus Anchor Stainless Steel (13 lbs)