Sorby Patriot Chuck Jaws, 1-3/8 in. are specifically designed to work with the Robert Sorby Patriot Chuck (#26350), making them i for smaller woodworking projects such as boxes and bowls up to 6 inches in size. These jaws precise specifications including a minimum external diameter of 1-3/8 inches (35mm) and a maximum external diameter of 2-3/8 inches (60mm). They also accommodate internal diameters ranging from 57/64 inches (24mm) to 1-57/64 inches (49mm), providing versatility for various turning tasks. Crafted with quality and accuracy in mind, these chuck jaws are a reliable addition to any woodturner's toolkit, ensuring secure and stable holding for detailed and delicate work. Model Number: LRSJ15