This 10 mm tubular box spanner with handle is essential for loosening and tightening hexagonal nuts and bolts, particularly on rowing boat riggers. The tool’s length and shape allow secure tightening without excessive force, preventing damage to the boat's shoulders (ribs) or other sensitive parts.

Made from high-quality chrome-vanadium steel, this spanner is resistant to wear and corrosion. The ergonomic handle ensures a comfortable grip and optimal torque application.

Key Benefits:
✔ Prevents damage to rowing boat shoulders by limiting excessive force.
✔ Ideal for riggers and rowing equipment maintenance.
✔ Made from durable, corrosion-resistant chrome-vanadium steel.
✔ Ergonomic handle for comfortable use and controlled tightening.
✔ Suitable for professionals and DIY rowers.