4Pcs Woodworking Tools Flush Trimming Cutter Set 1/4 Shank Grooving Top Bearing Anti-Tear Straight Mill Features: 1/4 shank router bit set, carbide router bit set, flat bearing anti-tear bit set, great for light work. . 1/4 shank flat trimming cutter, designed for desktop engraving machines (such as hand and table router). It cannot be used in electric drills and drills. Made of high-quality carbide alloy materials, high strength and hardness, high wear-resistant, impact resistance, high precision and high strength, to use. This flat trimming cutter is the preferred choice of professionals and hobbyists. Useful for trimming, grooving, etc. such as DIY project, lettering and other stencil work. This trimming cutter can cut and trim solid wood, density boards, particle board, rail, and more. Avoid cutting metal and non-wood material. Specification: Material: Carbide Alloy Shank Diameter: About 6.35mm/0.25inch Length: 56/65/70/84mm (10mm=0.39inch)Package Included: 4x/Set 1/4 Shank Bearing Straight End MillNote: 1. Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.