CST/Berger Collet Lock Prism Poles, Adjustable H.I.
These precise prism poles allow adjustments for all ⅝"x11 mounting prisms to assure proper H.I. Collar type locking device ensures a positive setting. Adjusting range 3" (75mm). Features 10ths and metric (every 2mm) graduations and precise adjustable ⅝"x11 mounting stud.
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