An electrosurgical pencil, comprising: a housing； an electrocautery blade having a proximal portion configured to removably couple to the housing, the electrocautery blade configured to electrically connect to an electrosurgical generator； a hub coupled to a distal portion of the housing and defining a lumen configured to receive at least a portion of the electrocautery blade therein； and a sheath coupled to the hub and defining a lumen configured to receive at least a portion of the electrocautery blade therein, the hub configured to rotate relative to the housing to move the sheath between a first position to cover the electrocautery blade and a second position to expose a distal portion of the electrocautery blade.
