- Boat trailer parts
- Boat trailers
- Designed to suit australian conditions
8" Twin Stem Boat Trailer Bracket Galvanized To suit 8" Boat Trailer Rollers. All style of boat rollers fit this bracket. Stem size: 8" x 18mm SQ. Hole size suit 16mm Spindle. Ideal for use with boat trailers, boat trailer parts, rollers, skids, bunks and boating accessories.