The DR Instruments 10FK Ultimate Coral Fragging and Coral Propagation Kit is designed for reef hobbyists who want to get the best possible results from their corals. This kit contains 9 tools with 10 super sharp blades in a sturdy roll up waterproof case. The blades are made of surgical stainless steel for professional quality cutting. The kit is virtually rust resistant with minimal care. The heavy duty coral cutter is perfect for cutting through hard corals, softies, and mushrooms. The Super sharp scissors are ideal for trimming and removing loose frags like zoanthids. The kit also includes a pre-cut sponge that makes it easy to start fragging your corals.