Feature:1. 0.005mm High Accuracy: High accuracy, using the latest technology to create the body accuracy of 0.005mm, which is convenient for your use.2. Stable Clamping: The clamping is firm and stable, the tool holder is clamped at one time, and the inside and outside are formed at one time, and the contact appearance of the U drill is large.3. Polishing Treatment: Exquisite technology, the appearance is polished, the roughness is andgt 0.08mm, it is sturdy and easy to use, and it is not easy to be deformed by the use of accuracy craftsmanship.4. Overall Auenching: Internal cooling water outlet hole, which can make your drill more violent during processing, overall quenching, sturdy and easy to use, cost effective and long term use.5. Steel Material: The whole is made of steel material, the inner hole is ground, and the corrosion resistance is good, and it is not easy to be damaged after long term use.Specification:Item Type: Milling Chuck HolderMaterial: High Carbon SteelModel: For MT3 SLN25Accuracy: 0.005mmRoughness: andgt 0.08mm.Package List:1 x Milling Chuck Holder1 x Fast Change Joint Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.