1 The installer no longer has to try to hold hanger, joist and nail with one hand and swing a hammer with the other! 2  JHA270 range features a location tab which allows easier alignment of the hanger.  The model number and size is stamped into the seat of the hanger for easy identification, even after installation.
first class(Adjective) Belonging to the best or top group in a system of classification. first class(Adjective) Of, or relating to the most luxurious and expensive class of accommodation on a train, ship, hotel, etc. first class(Adjective) Of, or relating to a class of mail to be delivered before second class.
First-Class Mail includes letters, postcards, large envelopes (called flats), and small packages, providing each piece weighs 13 ounces or less. First-Class Mail is processed by the USPS with the highest priority. It goes to the front of the line; ahead of the other classes of mail. Locally, First-Class will typically be delivered within one to two business days, and nationally it will be delivered in three business days.