This is an .040 Reflective Aluminum Sign with White Reflective Lettering.  The size is 6" x 18", the holes are 1/4" in dia. spaced 3/4" from the edge and 16" o.c.. We use the Helvetica Medium font family which is very easy to read and we size the lettering to give you maximum readability. You can choose the orientation that best suits your needs, Vertical for post mount, holes on top for a horizontal hanging or rail mount, or holes on bottom for horizontal rail mount. For vertical single sided signs please let us know if it is going on the right side of the road or left (most are on the right). Don't be caught off guard, everyone should have a street address sign! Call 1-866-781-1272 from 9:00 a.m. to 5:30 CST to order by phone. Call about large orders, discounts offered!