Specification Brand : NATEFEMIN BulletPoint1 : This listing is for a set of 5 HSS Center Drills BulletPoint2 : Each drill has a double end and is ground with a standard 60 degree included angle BulletPoint3 : Used to guide the hole processing of the drill and reduce the error, good for accurate holes BulletPoint4 : The set includes 1 each of the following sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm BulletPoint5 : m、2.5mm、3mm、4mmの各サイズが1つずつ含まれています CuttingAngleString : 90.0 degrees ExternallyAssignedProductIdentifier : 9965722967998 ItemName : 5PCS Combined Center Drill Bit Set HSS Countersink #1.5/2/2.5/3/4 Accessory ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : countersink-bits Manufacturer : NATEFEMIN ModelNumber : Shanryaga7tu9c1rp NumberOfItems : 1 PartNumber : NUSD150900000 ProductDescription : Features: This listing is for a set of 5 HSS Center Drills Each drill has a double end and is ground with a standard 60 degree included angle Used to guide the hole processing of the drill and reduce the error, good for accurate holes The set includes 1 each of the following sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm