Armstrong Armaloy open end wrench 3/4″ to 7/8″ No. 27-724. Armstrong Armaloy box end wrench 5/8″ to 3/4″ 12 Pt No. 7729. Armstrong Armaloy box end offset wrench 1/2″ to 9/16″ 12 Pt No. 7725-B. Armstrong Armaloy box end offset wrench 3/8″ to 7/16″ 12 Pt No. 7723.