How does the any-length lock work?

You pull the hose to the length you want and it stays there; a short tug releases it to retract. It saves dragging the full hose out every time.

Which length and diameter should I pick?

Measure from the spigot to the farthest point you water, then add slack. A 1/2-inch hose is lighter and easier to pull; 5/8-inch carries more water for long runs.

Can it be mounted on any wall?

It needs a solid fixing point. Brick, concrete and sturdy timber suit it; drywall or siding may need blocking or a post behind the bracket.

Does it come with a nozzle?

Yes, a 10-pattern spray nozzle is included. The reel itself is the main item; check the box contents for mounting hardware.

Is it better than an open hose cart?

It stores the hose enclosed and rewinds automatically, which keeps the yard tidier. A cart is simpler and cheaper to replace but leaves the hose exposed.

Will the hose reach around corners?

The hose is flexible and the reel swivels as it feeds out, so it follows gentle bends. Sharp corners can cause kinks, so guide it by hand on the first pull.