Oneway Stronghold Chuck #3 Jaws, Smooth are designed with the mass and size needed to handle large bowls and vases, making them i for woodturning projects that require strong, reliable jaws. These smooth jaws are specifically for use with round stock only, ensuring a secure grip without damaging your workpiece. The chuck an external compression capacity ranging from 3-5/8" to 5" and an internal expansion capacity from 4-3/8" to 6", providing versatile options for different turning needs. Crafted by Oneway, these jaws combine durability and precision to enhance your woodworking experience. Model Number: 3236