Jamieson, Fausset and Brown on Ephesians 2:11

11. The Greek order in the oldest manuscripts is, "That in time past (literally, once) ye," &c. Such remembrance sharpens gratitude and strengthens faith (Ep 2:19) [Bengel].

Gentiles in the flesh--that is, Gentiles in respect to circumcision.

called Uncircumcision--The Gentiles were called (in contempt), and were, the Uncircumcision; the Jews were called, but were not truly, the Circumcision [Ellicott].

in the flesh made by hands--as opposed to the true "circumcision of the heart in the Spirit, and not the letter" (Ro 2:29), "made without the hands in putting off the body of the sins of the flesh by the circumcision of Christ" (Col 2:11).