Dzus Grommet setting tool, used for the replacement of Dzus studs with Grommets. Each series (diameter) requires it’s own size, made from premium tool steel with zinc plating. Complete set of instructions, and diagrams are included with each tool set. Will not set winged stud type fasteners, F= Flush heads – 2 pcs per set, A= all others – 3 pcs per set. C-clamp is not included with set.