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.
While First Class is the entry level service, Priority is a rung above First Class and has a system of delivery that is faster than First Class; in most of the cases, delivery of parcels does take place in 1-3 days, though there is no guarantee. This feature makes Priority a bit more expensive than First Class.