- Solid alloy steel body with alloy flute and a fine grinding process. Hardness up to 93-94.5, providing a sharp cut and long service life. - The tool head and handle are welded with a high frequency seamless joint for a strong, single-piece feel and reliable performance. - One Knife dual-purpose design for economical trimming and smooth grooving, with no burrs and a one-time molding process. - Item: shank router bit available in 8 mm, 12 mm, and 12.7 mm sizes. - Material: 45# steel for durable, tough construction. Benefits and usage - Durable and long-lasting performance for frequent routing tasks, reducing the need for frequent replacements. - Versatile trimming and grooving capability in one tool, enabling efficient workflow and fewer tool changes. - Precise cuts with burr-free edges, improving finish quality on your projects. - Supports common shank configurations (8 mm, 12 mm, 12.7 mm) to fit compatible routers and collets. Applications - Edge trimming and finishing on cabinet doors and furniture panels for clean, smooth edges. - Grooving for panel inserts, decorative slots, or hinge recesses to improve fit and appearance. - General woodworking where a single pass is needed to trim and groove, saving time on multi-step processes.