THE MOST COMPLETE TOOL SET FOR THE JOB: Includes a tongue cutter, a 1/2" groove cutter, and a 45° miter cutter. MULTIPLE USES FOR UNLOCKING: Use these tongue tools and router bits to enhance your hardwoodworking performance and create beautiful handmade furniture. Ideal for kitchen and bathroom doors, office furniture, floor tables, bedroom shelves, exterior frames, walls, and more. DURABLE STEEL BODY - RELIABLE CRAFTSMANSHIP: Unique design, durability, and impact resistance ensure the blade stays sharp, your first choice for quality. Hardened steel body with anti-kickback. Heat-resistant and durable Teflon coating. EXTREMELY VERSATILE WORK TOOLS: This groove and slot cutter set is truly versatile for added convenience. Suitable for wood, MDF, chipboard, plywood, and solid wood panels. Please avoid cutting ferrous metals and other materials such as steel, iron, sand, etc.