Combo kits Include both: the small ("S") and the large ("L") JamChuck kits. Made in the USA! Our Innovative and versatile expandable jam chuck kits securely holds your workpiece, allowing you to finish your wood turning with ease. You can choose from multiple mountable extensions 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 "S" and the "L" kits will fit into a workpiece with an opening ranging from 0.375" to 2.25" (1cm to 5.7cm) diameter and 1.75" to 7.25" (4.5cm to 18cm) diameter accordingly. Extensions are mounted onto the base unit and then onto each other as needed to fit inside the workpiece cavity. JamChuck - the innovative tool every woodturner should have in their workshop. Color of products might be different from what is shown.
