The ESP6N Rocker Pencil for Bovie is compatible with all Aaron Electrosurgical Generators and Desiccators. This pencil comes with a needle and a 3 pronged connector. The ESP6N Pencil is simple to use with an on/off switch and an easy grip handle. Each ESP6N Rocker Pencil comes sterile and individually packaged. There are 50 pencils per box.