Q: Is the 150kg rating per hook or for the whole set?

A: 150kg per individual hook — each unit is independently rated. With all 10 hooks installed across a distributed beam system, the total supported load capacity is substantial. Always ensure your mounting beam or rail is rated for the total load.

Q: Can I use these outdoors?

A: Yes, with an important caveat. The corrosion-resistant finish handles covered outdoor environments (patios, carports, covered loading docks). For fully exposed outdoor installation in rain/snow/salt air, inspect hooks quarterly for surface oxidation and replace if any pitting appears.

Q: Will these damage painted beams?

A: The clamp surface is designed with a non-marring profile that distributes clamping force across a wider contact area. On properly cured painted surfaces, the hooks grip securely without chipping or scratching. For delicate finishes, a thin rubber shim between the clamp and surface adds an extra layer of protection.

Q: What if my beam is thinner than 40mm?

A: The minimum clamp width is 40mm. For beams thinner than 40mm, you can use a spacer block (wood or metal) to build up the mounting surface to within the clamp range. Ensure the spacer is securely attached to the beam before clamping the hook.

Q: How do I know if my beam can support the load?

A: The hook is rated to 150kg — but your beam or rail must also support that load. For structural beams in residential or commercial construction (steel I-beams, engineered wood beams, truss chords), 150kg is well within typical load capacities. For non-structural elements (decorative rails, drop-ceiling grids), do not use these hooks for heavy loads.

Q: Can the hooks be repositioned after installation?

A: Yes — and this is one of the key design advantages. The knurled knob releases the clamp in seconds, letting you slide the hook to a new position along the beam and re-tighten. No unbolting, no unthreading, no tools. Reconfigure your entire overhead layout in minutes.

Q: What's the difference between aluminum alloy and steel hooks?

A: Aluminum alloy is approximately 1/3 the weight of steel while providing comparable strength-to-weight ratio. This means less dead load on your beam before you even hang anything, easier one-handed installation overhead, and natural corrosion resistance without requiring paint or coatings. For applications where weight savings matter (stage rigging, mobile workshops), aluminum is the superior choice.