Bovie A806 Blunt Dermal Tip Disposable Electrodes. Disposable electrodes utilize the standard 3/32" (2.3 mm) stainless steel shaft. Dermal Tip Electrodes feature safety grip insulators combining patient and user safety with easy insertion into and removal from the surgical pencil. Manufactured to the highest standards. 100/BX. Priced per box. FREE Shipping!