Marine Direct ceramic saw The Marine Direct ceramic saws are ideal for use in saltwater aquariums. In contrast to conventional stainless steel tools, the Marine Direct ceramic blades are 100% rust-free and therefore extremely durable. They are perfect for making offshoots of soft corals, encrusting anemones, anemones or disc anemones. They can also be used underwater to remove algae, for example. -Ceramic saw blade, 100% rust-free -High-quality workmanship -Durable -Can be used above and below water A must-have for every coral farmer