Trend CraftPro Bearing Guided Biscuit Jointer Router Cutter Bit, 1/4 Inch Shank, 4mm Cut Length For Biscuit Sizes 0, 10, 20, Tungsten Carbide Tipped, C152X1/4TCINTERCHANGEABLE BEARINGS: Comes with three bearings for biscuit sizes 0, 10, and 20, ideal for a range of furniture and joinery applications. ADVANCED CUTTING DESIGN: Features two flute carbide tips ensuring precise and efficient cutting in timber and timber based materials. ENHANCED DURABILITY: Tungsten Carbide Tipped for long lasting performance and PTFE coating to reduce heat and resin build up. OPTIMISED FOR INTRICATE WORK: 1 4 inch shank size,