He locked the vault shut and added the magnetic key to his ring.

"This is it, ma'am," the petty officer said as he stopped in front of her stateroom door and ran the magnetic key through the reader.

A stucco wall surrounded the grounds, with gates that required a magnetic key.

Without its magnetic key, there was no hope of opening it.

Those available for use stood open, with magnetic keys in the lock holes.

She rubbed the magnetic key across the surface of the lock, but did not stick around to await the results.

He stood in the open doorway with an old-fashioned magnetic key in his hand.

He handed her a magnetic key with a round yellow tag.

Slipping his magnetic key into the slot intended for it, Gross watched the door slide open.

Wolfitz looked at his master, nodded and set a magnetic key on the lock.