Innovative and versatile jam chuck that securely holds your workpiece, allowing you to finish your turning with ease. You can choose from multiple mountable extension rings to ensure a tight fit into your workpiece cavity.
VERSATILE DESIGN: Includes both small (S) and large (L) JamChuck kits to accommodate workpiece openings from 0.375" to 7.25" in diameter, perfect for various turning projects
MODULAR SYSTEM: Features stackable extensions that mount onto the base unit, allowing customizable depth and secure fit inside different workpiece cavities
DUAL KIT COVERAGE: Small kit handles 0.375" to 2.25" diameter openings, while large kit covers 1.75" to 7.25" diameter openings for comprehensive project needs
SECURE MOUNTING: Base JamChuck attaches to lathe's chuck while extensions provide adjustable support to hold workpiece firmly between chuck and tailstock
DURABLE CONSTRUCTION: Made from high-quality durable plastic with specially designed oval-shaped and semi-sphered surfaces for optimal workpiece alignment
⚠️ Returns not accepted if the product is used, damaged after delivery.