Trimming Router Bit Set Made of High Quality Alloy Inserts with High Finish and Long Service Life Primarily used for trim templates and grooving or other woodworking projects you need to create very cuts, precise cuts will reduce chips and burrs For CNC and other automatic routers as well as handheld and desktop portable routers. Such as woodworking engraving machine, trimming machine, etc. Can be used for cutting solid wood, particleboard, plywood, MDF and different wood composites 1/4 Inch Dressing Router Bit Set with 1/2 inch Diameter Blades. Blade length 10mm, 20mm, 26mm, 38mm Material: Alloy colour: As shown Package Contents: 4 x trimming device 1 set x accessories Only the above package content, other products are not included. Note: Light reflection 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.