NT.filter - nkjv iron:

nkjv@Acts:12:10 @ When they were past the first and the second guard posts, they came to the iron gate that leads to the city, which opened to them of its own accord; and they went out and went down one street, and immediately the angel departed from him.

nkjv@1Timothy:4:2 @ speaking lies in hypocrisy, having their own conscience seared with a hot iron,