'Hand' in the Bible

and when they perceived the grace that was given to me, James and Cephas and John, they who were reputed to be pillars, gave to me and Barnabas the right hand of fellowship, that we should go to the Gentiles, and they to the circumcision.

What then is the law? It was added because of transgressions, until the seed should come to whom the promise has been made. It was ordained through angels by the hand of a mediator.

See with what large letters I write to you with my own hand.