Base Lab Tools offers Ø1″ optical posts as a more stable alternative to the Ø1/2″ mounting posts. When an optical set-up requires a greater amount of rigidity, these Ø1″ optical posts provide the extra stability desired. These Ø1″ posts are made of stainless steel and have, 8-32 or 1/4-20 tapped mounting holes. There are various accessories that are available to accommodate these posts.