How do you determine handingA. Handing is determined by standing on the outside of the door and looking to see what side the hinges are on. If the hinges are on the left, it is a left handed door.
For a visual you can look at our Door Hardware 101
do you sell this dummy with handles on both sides of the door ( right and left hand)A. The Schlage F170-ACC-LH does not come in a dummy set. You would need to purchase the F170-ACC-LH and the F170-ACC-RH to make a complete set.