The 9620-M Stainless-Steel Optical Post is precision center-less ground. It has relieved seats on both ends for stable mounting. The Model 9620 is a pack of five 38.1 mm by 12.7 mm diameter posts with a M4 tapped mounting hole at one end and a M6 tapped mounting hole at the other end.

9620米不锈钢光学柱是精密无中心地面。两端设有安全座椅,安装稳定。9620型为一组5个38.1 mm×12.7 mm直径的立柱,一端为M4攻丝安装孔,另一端为M6攻丝安装孔。