Apply joint compound, bed-in tape then perfectly glaze and feather internal corners with a Slayer Corner Kit. The Slayer Kits from Tapepro Drywall Tools are the most comprehensive set of automatic tools for internal corners packaged in a one of a kind, hand branded metal carry case. 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. There’s 2 kit options with a choice of either 55mm & 75mm Straight Glazers or 60mm & 80mm Glider Series Glazers.