Oneway Stronghold Chuck #2 Jaws, Smooth are designed specifically for the Oneway Stronghold Chuck, providing smooth jaws without serrations for a clean grip. This set includes four jaw segments, ing reliable performance for both external and internal chucking needs. The external compression chucking capacity ranges from 2 inches to 3-1/2 inches, while the internal expansion capacity covers 2-5/8 inches to 4-1/2 inches, making these jaws versatile for various woodworking projects. Crafted with precision, these smooth jaws ensure a secure hold without marring the workpiece surface, i for fine woodturning tasks. Model Number: 2948