Features: New, high-quality, industrial-grade router bit. For use in router tables only. Shank diameter: 6.35mm (1/4 inch), cutting diameter: 12mm. The tool holder accommodates two different sizesone for single cutter use and one for multiple cutters. Includes 6 pieces of 3-wing cutters. C2 carbide tipped with mini-grain construction for increased strength and durability. High abrasion resistance, high precision, and high toughness. Features a heat-resistant PTFE coating. Assembly includes: 5 individual fingers, 1/2 inch arbor, 1 straight top cutter, ball bearing guide, shims, spacers, and washers. Capable of cutting one finger joint at a time through multiple passes. Both cuts are made identically by flipping the workpiece for the mating joint. Name: Adjustable Slot Cutter Material: Carbide Color: Yellow and Silver Shank Diameter: 1/4 inch (6.35mm) Cutter Diameter: 1-7/8 inches (approx. 47.6mm) Cutter Inner Diameter: 5/16 inch (approx. 7.94mm) Cut Height (Kerf): 1/16 inch, 3/32 inch, 1/8 inch, 5/32 inch, 3/16 inch, 1/4 inch Overall Diameter: 0.8654 inch (22mm) Overall Length: 2-5/8 inches (approx. 66.7mm) Package Includes: 1 x Adjustable Slot Cutter Note: This package includes only the items listed above. Other accessories shown are not included. Lighting and monitor settings may cause slight color variations between the product image and the actual item. Measurement error is +/- 1-3cm.