Woodworking Router Bit Set for carving, engraving and trimming. This set includes 12 or 15 pieces of bits designed for precise carving, engraving and trim work. Compatible with carving machines, electric routers and trimmers. Durable and stable construction. Made from steel with hardened alloy blades, these bits are built to last. The robust design helps resist breakage and bending during heavy use, delivering reliable performance over time. Smooth and efficient cutting. The bits feature a symmetric blade geometry and sharp cutting edges to provide a smooth, precise cutting experience. Expect clean, accurate cuts with each pass. 1/4 inch (35 mm) shank. The standard 1/4 inch shank ensures compatibility with most trimmers and common woodworking tools, allowing easy installation and broad tool compatibility. Use scenarios. Ideal for decorative panel carving and relief work; engraving letters or logos on wood surfaces for signs; edging, profiling and trimming for cabinetry, furniture and other wood projects.