10Pcs 1mm 2 Two Double Flute Carbide Flat Nose End Mills Router Bit 4mm CEL Material : solid carbide Cutting Diameter: 1.0 mm Shank diameter: 3.175mm (1/8") Cutting Edge Length (Flute Length): 4mm SuitableMaterials: Nylon,Resin,ABS,Acrylic,PVC,MDF,hardwoodandotherthree-dimensionalsculpture,surfacemachining,ect For:?3D?relief?sculpturing,?cutting,?engraving,?slotting,?milling,ect We ship it by e-package,usually it takes 7-14 business days