at pro coil

  1. AT Pro 2 coils or 1?

    In a few days I will purchase a Garrett AT Pro, while I am new to detecting, I have been researching for a month. My question is; I will be using this MD mostly on land, with some use on lake shore, what are the benefits of having both the 5x8 & 8.5x11 coil? Is it simply the benefit of covering...