Whether you’ve got a small area, sandy soil, or a mix of shrubs and grass. Now we’ve added automatic arc return; non-reversing 360, from 50 to 360 degrees; and a non-strippable, vandal-proof drive mechanism that prevents gear stripping and saves you repair costs. Adding FloStop® control, easy through-the-top arc adjustment, and a standard drain-check valve all equate to one prime product. The Hunter I-20 Ultra Gear Drive Pop-UP