Hunter Adjustable Arc Spray Nozzles Hunter Adjustable Arc Spray Nozzles allow quick and easy fine-tuning to any arc for maximum performance. Any spray head body which uses female-threaded nozzles can use a Hunter nozzle. With an easy turn by hand–no tools are required– you can fine-tune Hunter Adjustable Arc nozzles from 25 to 360 degrees. Thus, virtually any landscape need can be met, including those areas that require custom arcs. Today, more and more landscapes are calling for a nozzle that can be precisely set to handle meandering walkways or atypical, hard-to-handle sharp angles. With Hunter Adjustable Arc nozzles you will always have the right nozzle…no matter what the job is.