Hebrews 4:12

For the word of God is lively and efficacious, and sharper than any two-edged sword, piercing even to the dividing of soul and spirit, and of the very joints and marrow, and judging the thoughts and intentions of the heart.

Revelation 1:16

and He had in his right hand seven stars, and out of his mouth went a sharp two-edged sword: and his countenance was as the sun when he shineth in his strength.

Revelation 2:12

And to the angel of the church in Pergamos write, These things saith He, who hath the sharp two-edged sword;

Treasury of Scripture Knowledge

Summary

But Ehud made him a dagger which had two edges, of a cubit length; and he did gird it under his raiment upon his right thigh.

Bible References

Two edges

Hebrews 4:12
For the word of God is lively and efficacious, and sharper than any two-edged sword, piercing even to the dividing of soul and spirit, and of the very joints and marrow, and judging the thoughts and intentions of the heart.
Revelation 1:16
and He had in his right hand seven stars, and out of his mouth went a sharp two-edged sword: and his countenance was as the sun when he shineth in his strength.
Revelation 2:12
And to the angel of the church in Pergamos write, These things saith He, who hath the sharp two-edged sword;