These are Excel #2 Straight Edge Blades. FEATURES: Made from precision high-grade steel Interchangeable Used for the cutting and trimming of wood, plastic, and rubber Blades come in a clear plastic safety tube INCLUDES: Five #2 Straight Edge Blades REQUIRES: Excel #2, 5, or 6, Handle Safety goggles Adult supervision lmm 01.15.10 ir/jxs