Features: 1. Application: Compatible with lathe that use 1" x 8 tpi thread, and 3/4" x 16 tpi using the adapter. 3 frequently used types of jaws and 1 large plate jaw in the kit allows you to handle a wide variety of shape and sized blocks. The jaws tightly grip from the pens of 1/5” to bowls of 4”, and they can expand to hold the inside of large bowls which larger than jaws. 2. Easy to Use: Comes with instructions for easy installation. Note: The chuck must be installed, operated and removed with the lathe turned off. Please follow all safety instructions for lathe work. .
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