Post Clamp, 12.7 mm Diameter Optical Posts, Separate Screws, M4

The 9930-M Post Clamp fastens a mount at any angle to a post. Separate adjustment and clamp screws allow you to adjust the position of the mirror without loosening the clamp from the post. We eliminated knobs from these post clamp to ensure secure lockdown. The Model 9930-M has an M4 threaded hole for fastening a mount with a clearance hole.