The ESP1N Push Button Pencil with Needle for Bovie is compatible with all Aaron Electrosurgical Generators and Desiccators. This pencil comes with a needle and a 3 pronged connector. The ESP1N Pencil is simple to use with two easily pushed buttons and an easy grip handle. Each ESP1N Push Button Pencil comes sterile and individually packaged. There are 50 pencils per box.