Features: new, high quality, industrial grade. Use in router table only. Shank diameter: 6.35mm, shank diameter: 12mm, the actual tool holder has 2 different sizes. One is for single cutter while Other is for multiple cutters.6 pieces of 3 wing cutters. C2 Carbide Tipped and Mini-grain grade provides increased strength and utmost resistance. High abrasion resistance, high precision and high toughness.Build-up & heat resistant PTFE coating. Assembly includes 5 individual finger cutters, 1/24inch shank arbor, 1 straight top cutter, ball bearing guide, shims, spacers, washers. Cut one-finger through five-fingers in multiple passes. Both cuts are performed the same way; you simply turn over the counter-cut for a perfect fit. Name: Adjustable slot cutter Material: Carbide Color: Yellow + Silver Shank Diameter: 1/44inch Cutter Diameter: 1-7/84inch Cutter ID: 5/164inch Cut Height ( Kerfs ): 1/164inch ,3/324inch ,1/84inch ,5/324inch ,3/16,1/44inch Bearing Diameter: 0.8654inch (22 mm) Overall Length: 2-5/84inch Packaging includes: 1 set of 2 adjustable slot cutters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.