Applicationfor General lathe, economical CNC lathes, grinding machines, milling machines, drilling and machine accessories etc..Specification- Material:Hardened Steel - Model: K11-200A - Jaw: 3 Jaw - High precision: ??0.05mm - Application: for CNC Drilling Milling Machine - Color: Silver - Lathe Chuck: - Size: 200 mm (7.9) - Outside Diameter: 200 mm (7.9) - Bolt Circle Diameter: 180 mm (7.08) - Center Thru Hole Diameter: 65 mm (2.559) - Chuck Body Thickness: 75 mm (2.95) - Internal Jaw Clamping Range (A-A1): 4-85 mm (0.16-3.35) - Internal Jaw Jamming Range (B-B1): 65-200 mm (2.56-7.87) - External Jaw Clamping Range (C-C1): 65-200 mm (2.56-7.87) - Mounting Thread: 3-M10 - Accuracy: 0.002 - Package Includes: 1 x Three Jaw Self Centering Chuck 3 x Bolts Circle 1 x HandleNotePlease feel free to contact us for whatever we can help.Warranty: one year warranty for any manufacturing defect