Features: New, high quality, industrial grade. For use in router table only. Shank diameter: 6.35mm and 12mm; the tool holder accommodates two different shank sizes. One configuration is for single cutter use, the other for multiple cutters. Includes 6 pieces of 3-wing cutters. C2 carbide tipped with fine-grain grade for increased strength and superior resistance. High abrasion resistance, high precision, and high toughness. PTFE coating provides build-up and heat resistance. Assembly includes 5 individual finger cutters, 1/2 inch shank arbor, 1 straight top cutter, ball bearing guide, shims, spacers, and washers. Capable of cutting one-finger through five-fingers in multiple passes. Both cuts are performed the same way; simply flip the counter-cut for a precise fit. Name: Adjustable Slot Cutter Material: Carbide Color: Yellow + Silver Shank Diameter: 1/4 inch Cutter Diameter: 1-7/8 inch Cutter ID: 5/16 inch Cut Height (Kerfs): 1/16 inch, 3/32 inch, 1/8 inch, 5/32 inch, 3/16 inch, 1/4 inch Bearing Diameter: 0.865 inch (22 mm) Overall Length: 2-5/8 inch Package Includes: 1 set of 2 adjustable slot cutters Note: Only the items listed are included. Light and display differences may cause slight color variation between image and actual item. Measurement allowance: +/- 1-3 cm.