¡Û Features - True Vertical Up/Down - Individual Constant Spring Loaded Pin - Constant Pin Spacing - Ultimate Repeatability - Probe Head E-Z Changover - Probing Z Position Adjustable On Top - Sturdy Feedthru Panes at Read Side - Feedthru Choice Banana/BNC/Triaxial Female - Chuck Quick Move Available - Hot Chuck Available - Shielding Box Available - 4", 6", 8" Available - Pneumatic Up/Donw Switch Available