Sorby Patriot Chuck Deep Grip Jaws, 4-1/4 in. are specially designed to work seamlessly with the Robert Sorby Patriot Chuck, ing superior grip and versatility. These jaws feature taller sides, making them for holding large logs or awkwardly shaped pieces of wood securely. Equipped with both internal and external dovetails, they ensure a firm hold on cumbersome workpieces, making them i for handling larger bowls exceeding 16 inches in diameter. Crafted with precision in England, these jaws provide a reliable and robust solution for woodturners seeking to work with bigger projects. The specifications include a minimum external diameter of 4-1/4 inches (108mm) and a maximum external diameter of 5-1/4 inches (133mm), with internal measurements ranging from 3-13/16 inches (97mm) to 4-13/16 inches (122mm). Model Number: LRSJDG