The 9.solutions Box Corner Coupler is a shortcut to creating solid 50mm tube frames, which is ideal for soft box setups and beyond. Whether you’re building lightweight structures or reinforcing larger rigs, it gives you the flexibility to move from idea to execution in a small amount of time.

The system can easily be integrated with standard truss components that also use 50mm tubes. Corners can additionally be used along the side of a tube for additional bracing of a structure. The corners include setscrews, which can be used to add additional securing of the tube’s position.
Specifications
- Weight: 880g
- Clamping size: 50mm
- SWL: 100kg (Tensile strength in
- mounting attachment direction)
- Color: Black
- Main materials: aluminium,
- stainless steel, steel
Pricing & Availability
The 9.solutions Box Corner Coupler is $49 USD.






