There are 3 different types of lathe chucks from the Canadian manufacturer Oneway:
- "Oneway" chuck - the small one Ø 100 mm
- "Talon" chuck - the middle one Ø 105 mm
- "Stronghold" chucks - the big one Ø 110 mm

The types Talon and Stronghold are operated with a sprocket key. The small one-way with two spring pins.
Structure of the one-way chucks

By exchanging the threaded insert, a chuck can be used on lathes with different spindle heads.
A wide range of top jaws and accessories is available.

Grooved clamping jaws are rounded at the corners so that marks in the workpiece are minimized. (see picture 2).