Specification Brand : Fafeicy BulletPoint1 : This BT40-ER25-70 Collet Chuck Tool Holder is known for its high accuracy and outstanding performance, making it a tool for precision machining projects. BulletPoint2 : Suitable for various CNC milling machines, this tool holder ensures compatibility and allows for versatile usage in different machining applications. BulletPoint3 : Made of 40cr alloy steel, this BT40-ER25-70 Collet Chuck Tool Holder can withstand high pressure and provides excellent explosion . BulletPoint4 : With quality assurance and sturdy construction, this tool holder is designed for long-lasting performance and durability. BulletPoint5 : Offering excellent price and high cost performance, this tool holder is a smart choice for those seeking affordability without compromising on quality. ItemName : BT40‑ER25‑70 Collet Chuck Tool Holder, BT40-ER25-70 Collet Chuck Tool Holder, 40cr Alloy Steel, High Pressure, Long Service, Toolchuck ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 14 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : end-mill-holders Manufacturer : Fafeicy ModelName : Fafeicy0ztn417euh ModelNumber : Fafeicy0ztn417euh PartNumber : Fafeicy0ztn417euh ProductDescription : Specification: Item Type: Collet chuck tool holderModel: BT40-ER25-70 Clamping Range: Approx.2-16mm / 0.1-0.6in L Length: Approx.70mm / 2.8in Material: 40cr