This sprinkler is designed on a wide, no-tip base with ergo hose steel arm spring, spring, trip collar and pin. It is to cover a radius of 25 to 45 ft., in a or partial circle. adjustable completeWide, no-tip base with ergo hose connection Area coverage 25' - 45' radius in full or partial circle Stainless steel arm spring, trip spring, trip collars and trip pin