1/4″ Capacity keyless chuck.
3/8″ Internal thread for mounting.
For over 90 years, ROHM has been recognized as the leader in chucking tools, and their keyless chucks are considered to be the best in the industry. Manufactured to precise standards, jaws and bodies are hardened and ground for long life.
Keyless design. All metal construction offers greater clamping force.
Premium model, fits any drill with an industry standard 3/8″ UNF (24tpi) threaded spindle.
Connection: 3/8″ UNF(24tpi)