Specification Brand : Wisoqu BulletPoint1 : The set includes 5 sizes of end mill holder to meet your various needs. BulletPoint2 : Hardened and ground for better durability and performance. BulletPoint3 : Rugged and , it is made of alloy forged tool steel. BulletPoint4 : Suitable for milling machines with R8 spindles. BulletPoint5 : Suitable for both double ended and single ended,more convenient. ExternallyAssignedProductIdentifier : 7636950450942 IncludedComponents : No ItemName : R8 End Mill Holders,5PCS British Side Fixed Type End Mill Holder Kit Fit for Milling Lathe R8 Spindle ItemPackageDimensions_Height : 14 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 11 centimeters ItemTypeKeyword : end-mill-holders Manufacturer : Wisoqu ModelName : ANKROYU75aubgmsqt ModelNumber : Wisoqu7ufa4yqch3 NumberOfItems : 1 PartNumber : Wisoqu7ufa4yqch3 PowerSourceType : ac/dc ProductDescription : Specification: Material:Alloy Tool Steel Suitable for:Milling Machine with R8 Spindle Size:1/4in 3/8in 1/2in 5/8in 3/4in