0.5 in. Black Anodized Posts
The PSTA series of aluminum Ø1/2 in. (12.7mm) optical posts are non-magnetic, precision machined and black anodized to reduce reflection. Ideal for applications where light reflectivity or weight must be kept to a minimum, or if a magnetic field is involved.These precision optical posts are tapped #8-32 (M4) with a removable stud at one end, typical for mounting a variety of optical mounts. The other end is tapped 1/4-20 (M6), useful for directly mounting into an optical table or other optical assembly.
Base Lab Tools' optical posts have a side thru hole. This hole allows the utilization of the 3/16" (5mm) ball driver (1/4-20 (M6) cap screw) commonly found at the workstation to provide leverage when tightening or loosening a post from a set up.
Made in the USA 
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