ATTO SCIENCE is all of optical solutions.
Ø12.7 mm Optical Post, SS, M4 Setscrew, M6 Tap, L = 20 mm
One M4 Tapped Hole at Top and One M6 Tapped Hole at Base
Removable Double-Ended M4 Setscrew
Available Individually in Lengths Ranging from 20 to 300 mm
Packs of 5 Also Available for 20 to 150 mm Lengths