The axle mount on your boat doesn't line up with the roller you've got fitted. This 50 x 50 mm clamp bracket bridges that distance. 18 mm square stem, clamps to your existing structure, and your roller tracks where it should. Measure the gap, pick the size, sorted. No custom brackets, no spacers
| brand | JAYCAR |
| bracket_size | 50 x 50 mm |
| stem_size | 18 mm square |
| application | Boat roller axle mounting |
| range_depths | 25 mm, 50 mm, 75 mm, 100 mm |