5 6-Jaw Lathe Chuck Manual Self-centering Chuck 125mm K13-125 Adjustable new. 6-Jaw Design Lathe Chuck: Diameter: 125 (Mm) Internal Jaw Clamping Range: 2.5-40 (Mm), External Jaw Clamping Range: 38-110 (Mm). Single Claw-each Claw Can Be Adjusted Individually to Accommodate Rectangular and Irregularly Shaped Workpieces. High-quality Materials-the Main Body of the Chuck Is Made of High-quality Cast Iron. All Guide Rails and Bearing Surfaces Are Precision Machined. Durable Two Sides Are Polished and Hardened. Scope of Application: the Chuck Is Suitable for General Lathes, Economical Cnc Lathes, Grinders, Milling Machines, Drilling Machines and Machine Tool Accessories and Other Machine Tools and Accessories. Jaw Material: Hardened Steel. Maximum Speed: 3000 R/Min. Lower Jaw: 6 Lower Jaw. Clamping Range A-a1: 2.5-40mm. Interference Range B-b1: 38-125mm. Clamping Range C-c1: 38-110mm. 1x Self-centering Chuck Body.