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.
Definition of 'first-class'. first-class also first class. 1. adjective. If you describe something or someone as first-class, you mean that they are extremely good and of the highest quality. The food was first-class. She has a first-class brain and is a damned good writer. 2. adjective.