Spectrum Tubes Deuterium, glass tubes approximately 10-1/4in (260mm) long, central capillary portion approximately 3-1/2in to 4in (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps.
Premium Bosshead - Heavy Duty, Industrial Series Heavy Duty Powder Coated Bosshead for rods up to 16 mm, Thicker than normal 7 mm threaded clamping screws, Thicker casting to support more load, Accepts up to 16 mm rods, Made of high strength powder coated alloy