- Boat trailer parts
- Boat trailers
- Designed to suit australian conditions
12" Heavy Duty Wood Yoke Stem - Multi Roller Conversion and Brackets Parts Boat trailer heavy duty bracket. Designed for use with multiple style roller brackets as well as bunk and skid profiles. Stem size= 40mm x 40mm SQ. Galvanised. Ideal for use with boat trailers, boat trailer parts, rollers, skids, bunks and boating accessories.