Only a small, heavy lock, and a place where a tiny key might fit.

The key to the storage door also fit, and five minutes later she left the condo.

"It is like having the keys to fit certain doors that not all of us get a chance to look in."

The key didn't fit perfectly, and unless he jiggled it just so, the door wouldn't open.

The second key he selected would not fit it.

There is a small but not zero chance that a given key will fit a strange lock.

The keyhole was so shaped that only one key could fit it.

As they are about to go in, the key doesn't fit.

One evening his key did not fit the lock.

You had to pull the door to you before the key could fit into the cylinder.