*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 *10-Inch 4-Jaw Lathe Chuck: With a 3.15 in (80 mm) inner diameter and 10 in (250 mm) outer diameter, this self centering lathe chuck clamps workpieces ranging from 0.6-9.84 in (15-250 mm), making it ideal for a wide variety of workpiece 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: K72 250 Product Type: 4-Jaw, Internal Jaw, Step Jaw Inner Diameter: 3.15 in / 80 mm Outer Diameter: 10 in / 250 mm Internal Jaw Clamping Range: 0.6-9.84 in / 15-250 mm External Jaw Clamping Range: 3.15-9.84 in / 80-250 mm Main Material: HT300 Net Weight: 44.42 lbs / 20.15 kg Item Dimensions: 9.84 x 4.72 in / 250 x 120 mm ******************************************************************************************************* *Pakcage Content 1 x Lathe Chuck 1 x T-Key