Lathe Chuck 8" 4-Jaw Self Centering Movement ,Internal External Grinding for Lathes Machine Dimension: 8 in L x 8 in W x 4-1/4 in H *Rough Estimation* Weight: 27 Pounds *Rough Estimation* Chuck Diameter: 8" - 200 mm  2 Set of 4 Jaws Chuck Diameter: 200mm / 8'' Chuck Aperture: 60mm / 2.4'' Clamping Size Range: 4 - 85mm / 0.2 - 3.3'' Tightening Size Range: 65 - 200mm / 2.6 - 8'' Centering Accuracy: 0.1mm / 0'' Outside Diameter: 200 mm (8'') *Estimate Only* Material: 300 Cast Iron Includes: 1 Chuck Body 1 External Jaw Set (4 Pcs) 1 Internal Jaw Set (4 Pcs) 3 Socket Head Screws 1 Chuck Wrench Qty: 1 Light Item