The Slayer Kit from TapePro Drywall Tools is the most comprehensive set of automatic tools for internal corners on the market today. It includes every tool you need to take on internal corners from start to finish. Apply joint compound, bed-in tape then perfectly glaze and feather internal corners with the Slayer Corner Kit. Not only does the Slayer Kit make the process of taping and setting internal corners faster but it also reduces stress on the body when compared to traditional methods.