4" 3-Jaw Lathe Chuck, one set of solid steel internal jaws, one set of solid steel external jaws, and chuck wrench  are also included in the package.

About the Chuck Revolving Plate:

• The chuck plate is designed for supporting work pieces during process to be fitted for standard 4" 3-jaw self centering lathe chuck.
• Triple ball bearing design.
• The main body and taper shank are made of  high quality carbon steel and hardened for high performance and stability.
• Morse taper : 3 MT.
• Accuracy: 0.0002".
• RPM: 3,500.
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