*KeyFeatures *Premium Material: Diameter: 5 inch / 125 mm. The 4-jaw mini lathe chuck body is made of cast iron that has passed rigorous quality tests. It has high strength and toughness, compression resistance and durability, and long service life. *Reversible Jaw Set: The lathe chuck is equipped with 3 inward stepped jaws that can be stepped inward or outward to hold raw materials of different shapes. The high precision design of the chuck bevel gear guarantees the accuracy of the chuck operation. *Enhanced Flexibility: The T shape chuck key of the lathe part allows the installation of various workpieces. And effortless operation reduces changeover time for your convenience. Internal Jaw Clamping Range: 0.276"-2.244" / 7-57 mm. External Jaw Clamping Range: 1.89"-4.92" / 48-125 mm. *High Precision: The 4-jaw lathe chuck works accurately, bearing tolerance is of 0.003 inch / 0.07 mm to ensure satisfying metal processing. The accessory screws make the scroll chuck highly adaptable and can be used with the same series of jaws as the chuck. *Remarkable Versatility: This 4-jaw independent metal lathe chuck has a compact construction. It is suitable for installation on multiple kinds of metal lathe chuck and clamping workpieces of various shapes. ******************************************************************************************************* *Specifications Chuck Body Material: Cast Iron Color: Silver Jaws Material: 40CR Steel Bevel Gear Material: 40CR Steel Pinions Material: 20CR Steel Chuck Diameter: 4.92" / 125 mm Center Hole: 1.2" / 30 mm Circle Diameter: 4.3" / 108 mm Internal Jaw Clamping Range: 0.276"-2.244" / 7-57 mm External Jaw Clamping Range: 1.89"-4.92" / 48-125 mm Tolerance: 0.003" / 0.07 mm Accuracy: 0.002" / 0.051 mm Maximum Speed: 3000 RPM Item Weight: 10.9 lbs / 4.92 kg Package Dimensions (L x W x H): 5.9" x 5.5" x 3.93" / 15 x 14 x 10 cm ******************************************************************************************************* *Pakcage Content 1 x Lathe Chuck 4 x Mounting Screws 1 x Chuck Key