Large ("L") JamChuck kit. Includes the base and 4 extensions. Made in the USA! Our Innovative and versatile expandable jam chuck securely holds your workpiece, allowing you to finish your wood turning with ease. You can choose from multiple mountable extension rings to ensure a tight fit into your workpiece cavity. Be sure to add it to your tool kit - no need to waste time making your own wooden jam chuck versions for different cavities. The "L" kit will fit into a workpiece with an opening ranging from 1.75" to 7.25" (4.5cm to 18cm) diameter. Extensions are mounted onto the base unit and then onto each other as needed to fit inside the workpiece cavity. The "L" JamChuck base unit can be held in the lathe's chuck or mounted directly onto the 1.25-inch lathe shaft. JamChuck - the innovative tool every woodturner should have in their workshop. Color of products might be different from what is shown.
