K12-125 125mm 5 Inch 4 Jaw Lathe Chuck Reversible

K12-125 125mm 5 Inch 4 Jaw Lathe Chuck Reversible Self Centering CNC Milling Cast IronQuality Cast IronTwo Sets of JawsSelf Centering ChuckWith Great AccuracySimple OperationWide ApplicationBevel Gear Material: 40CR Steel,External Jaw Clamping Range (C-C1): 38-110 mm (1.5"-4.33"),Gross Weight: 11.9 lb (5.4 kg),Pinions Material: 20CR Steel,Chuck Body Material: Cast Iron,Size: 125 mm (4.92"),Internal Jaw Jamming Range (B-B1): 38-125 mm (1.5"-4.92"),Internal Jaw Clamping Range (A-A1): 2.5-40 mm (0.098"-1.575"),Jaws Material: 40CR Steel,Package Dimensions (LxWxH): 6.3"x6.3"x5.5" (16x16x14 cm),Center Hole Diameter: 30 mm (1.18"),Mounting Thread: 3-M8