Specification Brand : Marhynchus BulletPoint1 : High Speed Steel: Made of high-quality high-speed steel, with high hardness and high strength. BulletPoint2 : 【High hardness】 The is treated with high temperature quenching, greatly improves hardness and toughness, and the is brighter. BulletPoint3 : : High temperature quenching, greatly improve the hardness, wear and toughness, and achieve bright and small deformation. BulletPoint4 : High hardness -- The is treated with high temperature quenching, greatly improves hardness and toughness, and the is brighter. BulletPoint5 : Available in four for choices ItemName : SHB20 Boring Bar, High Speed Steel Small Bore Boring Bar Lathe Tool for CNC Turning Milling SHB20, Turning Inserts (SHB20-03) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : boring-bars Manufacturer : Marhynchus ModelName : Marhynchusthyg7rag0p-11 ModelNumber : Marhynchusthyg7rag0p-11 NumberOfItems : 1 PartNumber : Marhynchusthyg7rag0p-11 ProductDescription : Specification: Item Type: Small Bore Boring Bar Material: High speed steel Length: 10L Specifications (optional): SHB20-03, SHB20-04, SHB20-05, SHB20-06