Premium Clamp - Three Finger with Bosshead, Clamp constructed of powder coated steel, 3 finger rubber coated clamp attached to swivel boss head. Maximum clamp opening is 8.5cm, Boss accommodates to 18mm rod
Premium Clamp - Two Prong with Bosshead, Maximum clamp opening is 11 cm, Swivel between Clamp and Bosshead, Boss accommodates to 18 mm rod, High Strength Alloy Bosshead, Constructed of powder coated high grade zinc alloy
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.