Made from German precision machined parts Threaded cylinder is made from high grade refined steel, springs from stainlessharmonic steel, notching scale cylinder and nut from anodized aluminum Micro-click spring tension adjustment allows for exact settings time after time Available thread sizes: 5/16 (Standard) M8 (Metric) Available lengths: 17.5-24.5 mm (Short) 29.5-32.5 mm (Long)
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