Rain Bird A23600 1-1/4" 85EHD Brass Tough Bird Impact Sprinkler without Nozzle and Plug. The 8EHD Tough Bird® Impact Sprinkler has a wide range of uses but are widely used as end guns on center pivot machines. All models have an improved bearing with features similar to Rain Bird's superior "H" bearing. Common applications include Field Crops, Row Crops, Vegetables, Pivots & Linears, Permanent Systems, Solid Set Systems and Portable Systems.