Solid Copper Ant Trap Guard Moat for Hummingbird Feeder Ant Guards. Hummingbird or Fruit Feeders with those Pesky Ants. STOP THEM IN THEIR TRACTS This handmade, pure copper 3/4 inch cup with 10 gauge copper wire. Ant moat stops them in their tracks , without chemicals . to keep ants off your bird feeders. Hang any nectar, fruit feeder from bottom hook Add 2 or 3 drops of vegetable oil to the cup swirl oil to coat inside of cup and dump out excess. The Ants can not cross the oil barrier. It doesn't evaporate. and hangs straight The pictured moat is for your inspection. all will be very very similar but they are hand made so no two will be exactly alike. Measures approx.4" tall and 1" wide. feel free to ask any questions. I will have more ready everyday. Grandpa is out in shop making them as we speak.. GOOD LUCK AND BE DONE WITH THOSE ANTS