ISB ~ 2 Corinthians 6 v7

weapons of righteousness:Paul’s arsenal against the forces of Satan include truth, righteousness, faith, salvation, and the word of God (10:3-5; Eph 6:13-17; 1 Thess 5:8). Weapons for the right hand and the left may refer to the sword (offense) and the shield (defense) carried by soldiers of his day.