Put it on any nut, no sizing
The jaws adjust themselves to the nut. The demo shows a 6 mm nut, a round fitting and a hexagon.
Source: full video at 0:30
★ Step by step
How The Magic Wrench works
Step-by-step guide to The Magic Wrench with short video clips from the official HanaToolsUSA demo.
Loosen or tighten without adjusting a screw
The demo contrasts it with tools you have to adjust. This one goes straight on.
Source: full video at 1:04
Grip pipes and fittings
Shown gripping a faucet fitting and round water pipes.
Source: full video at 1:58
Use it anywhere
Shown on wheels in a workshop, machines and bicycles. Per QVC, the anti-slip teeth can even grab stripped nuts and twist them off.
Source: full video at 1:28