Features: New, high quality, industrial grade. Use in router table only. Shank diameter: 6.35mm and 12mm; the tool holder accommodates two different sizesone for single cutter and one for multiple cutters. Includes 6 pieces of 3-wing cutters. C2 carbide tipped with mini-grain grade for increased strength and superior resistance. High abrasion resistance, high precision, and high toughness. PTFE coating for reduced heat and build-up. 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 turn over the counter-cut. 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 Packaging includes: 1 set of 2 adjustable slot cutters Package content includes only the items listed; other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.