Artifex Engineering Adjustable Radius Chucks

With these chucks. it is possible to hold round objects such as lenses, mirrors, or laser tubes in place quickly and safely. All thumbscrews are tipped with V-grooved non-rotating tips that are threaded coarsely to provide a rapid object secure procedure. * For lenses, mirrors, lasers and other circular objects. * V-grooved, non-rotating tips center objects and hold them securely. * Micro adjustment of centering and safety loading of optics provided by ball-indexed threaded screws.