Feature:1. More Stability: Equipped with this face end mill shank, you will find your cutting has higher and efficiency.2. Reliable Using: Able to provide firm holding and connection, the mill cutter holder enables better processing effects.3. Larger Utility: Enables broad utility on the CNC machining centre, CNC engraving machine, milling machine and so on.4. Great Material: Made from premium 40Cr with good hardness, not likely to deform and very durable for long term using.5. Easy to Install: Light in weight and compact in size as well, the whole installation can be quickly finish in minutes.Specification:Item Type: Face Mill HolderModel: R8-FMB22 7/16-20Material: 40Cr Alloy SteelFunction: For Metal Processing Package List:1 xFace Mill Holder1 x Storage BoxNote:After the blade is used up, apply oil to prevent rust, and put it in a place where it will not fall.