Robert Sorby Patriot Chuck 1" Pin Jaws (RSJP) - Overstock
Drill a 1" (25mm) hole into the wood. Close the jaws completely and place jaws into hole. Now open the jaws out to fill the hole and grip the wood securely. Ideal for projects such as peppermills.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov