Feature: 1. Made of highquality alloy material, strong and durable, and has a long service life 2. Accurate cutting and production, to meet the requirements of machines and equipment 3. Alloy material provides high strength and good durability, and anticorrosion, can be used in harsh environments 4. The product has a wide range of uses and is suitable for many areas, such as carving machine 5. The extendable and clamping function is good, very practical , and the small size is convenient for storage Specification: Item Type: Shaped Extension RodMaterial: Alloy Height: 1.38in Nut: ER11 refers to the international standard, which holds the ER11 collet, the clamping range of the collet is 110mm Hole Diameter: 34in. Package List: 1 x Shaped Extension RodMade of highquality alloy material, strong and durable, and has a long service life Accurate cutting and production, to meet the requirements of machines and equipment Alloy material provides high strength and good durability, and anticorrosion, can be used in harsh environments The product has a wide range of uses and is suitable for many areas, such as carving machine The extendable and clamping function is good, very practical , and the small size is convenient for storage