Fangrui Product Details Keyhole Router Bits Set, A Comprehensive Collection Of 1/4 Inch Shank Tools Including 6 Pcs Blades With Variations In Diameter Such As 1/4, 5/16 , 3/8, 9/16, 1/2, And 5/8 Inches. This Router Bit Set Is Ideally Built As An Exemplary Solution For Wood Hex Bolt T-track Slotting And Milling Cutters Set. Good For Professionals And Diy Lovers Alike. Formulated With C2 Carbide Inserts, This Cutter Set Ensures Unmatchable With Superior Finish. Professional Router Bits Set Exhibits High Resistance To Heat And Abrasion. Engineered To Provide High-quality Crafting While Serving You For A Much Longer Time Period. S Router Bit Set Is Constructed With A Solid Hardened Steel Body. Its Anti- Design Ensures Precision And Smooth Operation. The Blades Are - And Can Be Trimmed, Polished Which Enhance Their Performance And Provide A Clean Cut Every Time. Diversify Your Woodworking Projects With 6-piece Router Bit Set. Capable Of Making A Broad Range Of T-slots Or Keyhole Slots. Compatible With Types Of Materials Such As Soli