12 Accessories In addition to our electrode portfolio, we can offer you a multitude of accessories for your EDT machine.The following is a selection of our most common accessories. UP Bellows High quality bellows for all frame dimensions UP Socket Threaded clamping bush for bar electrodes UP Insulation Shell Matching insulation cap for socket and bar electrode in lengths of 37.2 mm and 29.3 mm CE1 Seal Plug-in reusable rubber seal Images are not true to scale