The SKIL® five-piece oscillating multi-tool blade set features five oscillating blades for a variety of applications and materials including wood, plastic, and metal. The blade set features two bi-metal plunge cut blades for plunge cutting into harder materials like hardwoods, plastic, and metal. Two high-carbon steel blades are optimized for cutting softer materials like softwoods and softer plastics. A bi-metal semicircle blade is included for cutting wood, plastic, and metal. Every blade in this five-piece oscillating multi-tool set is compatible with all SKIL® oscillating multi-tools as well as tools featuring the Universal Oscillating Interface System. The blades come in an interlocking case with a clear lid for easy identification, quick blade removal, and interlocking compatibility with other SKIL® accessory cases for custom configurations.