Specification Brand : Mavaol BulletPoint1 : EXQUISITE TECHNOLOGY: The is polished, the roughness is more than 0.08mm, which is sturdy and easy to use, made by fine craftsmanship, and not easy to be deformed BulletPoint2 : DESIGN: Internal cooling water outlet can make your drill more violent during processing, overall quenching, strong and easy to use, long term use BulletPoint3 : : The latest technology is used to create the body with an accuracy of 0.005mm, the clamping is firm and tight BulletPoint4 : TREATMENT: The overall use of excellent steel, the use of more long term is not easy to be damaged, the quality of the inner hole grinding is guaranteed, and the fine grinding is polished to make the smoother, with high hardness and good BulletPoint5 : COMPACT AND INTEGRATED: The tool holder is clamped at one time, the inside and outside are formed at one time, and the of the U drill is large IncludedComponents : No ItemName : Mavaol Milling Chuck Bracket Collet Holder U Shaped Side Mounted with Fast Change Joint ItemPackageDimensions_Height : 7 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : end-mill-holders Manufacturer : Mavaol ModelName : Mavaol92cnrd8gbo ModelNumber : Mavaol92cnrd8gbo PartNumber : Mavaol92cnrd8gbo PowerSourceType : ac/dc ProductDescription :