The AA21 Vasectomy Elongated Fine Tip Cautery from Bovie is a battery operated cautery for pinpoint hemostasis. The AA21 is a High-Temp (1,800 degrees F) cautery. This disposable cautery is lightweight, has consistent temperature and allows for minimum trauma to surrounding tissue.
A locking safety cap prevents the cautery from being turned on accidentally. There are 10 sterile cauteries per box and they have a 4 year shelf life.