• 8-32 thread permits eight multiple installation positions and various heights on Shrewd scopes • Stainless steel up pin and plastic tubing protects the fiber optic and creates a fully enclosed system • Knurled brass nut locks the pin in place and requires no tools to install • Plastic tubing with fiber snaps into the groove present on Shrewd scopes and collects ambient light to further illuminate the fiber within the pin • Works in conjunction with LP and ZBros light systems for additional control of pin brightness • Integrated pin comes with 1 blue, 1 green, and 1 orange stick of fiber in the size appropriate for the pin • Fits the 42mm and 35mm Shrewd Nomad scopes • Made in the USA