*KeyFeatures *Outstanding Hardness: Crafted from premium HT300 cast iron, this lathe chuck features jaws with a hardness of 53 HRC and a scroll plate hardness of 45 HRC. Quench-hardened for enhanced durability, it ensures excellent hardness and rust resistance, ensuring a long-lasting service life *Self-Centering Function: The built-in self-centering feature allows for hassle-free use without repeated calibration. It ensures precise control over clamping accuracy, maintaining the stability and high precision of the lathe chuck for flawless performance *6-Inch 6-Jaw Lathe Chuck: Featuring a D1-4 cam lock adapter backing plate, this lathe chuck achieves a faster and more stable connection to your machine. With a 1.57 in (40 mm) inner diameter and 6 in (160 mm) outer diameter, it clamps workpieces ranging from 0.12-5.71 in (3-145 mm), making it versatile for a variety of sizes *Hassle-Free Operation: Featuring a simple, compact design, this lathe chuck balances functionality and reliability. Equipped with a T-shaped tool, installation of our lathe chuck is a breeze. Just follow the correct sequence for a seamless setup *Ideal for Most Lathes: Whether you're working with metal, drilling, or milling, our lathe chuck will enhance your machining efficiency and flexibility. It helps you achieve precise and consistent results every time ******************************************************************************************************* *Specifications Item Model Number: K11 160A D1-4 Product Type: 6-Jaw Lathe Chuck with Backing Plate, Separate Jaws Inner Diameter: 1.57 in / 40 mm Outer Diameter: 6 in / 160 mm Internal Jaw Clamping Range: 0.12-5.71 in / 3-145 mm External Jaw Clamping Range: 1.97-6.3 in / 50-160 mm Main Material: HT300 Net Weight: 24.47 lbs / 11.1 kg Item Dimensions: 6.3 x 4.53 in / 160 x 115 mm ******************************************************************************************************* *Pakcage Content 1 x Lathe Chuck 1 x T-Wrench