CooperSurgical B0312 LEEP Ball Electrode 3mm, Diameter (5/box)Get the original for quality and performance you can rely on. These universal electrodes have a standard 3/32" connector shaft that can be used on most generators. Brass tip provides better electrical conductivity than stainless steel. Sterile, single use. Packaged 5/box. Sizes: B0512 - Ball Electrodes - D 5 mm, 12 cm shaft (5/Box). This item is a substitute for Wallach 909003.B0312 - Ball Electrodes - D 5 mm, 5.5 cm shaft (5/Box)....