Electrode Guides ProductType:Drilling EDM machines Parts addtime:2020-4-27 13:07:30 *Inquiry information, our customer service will contact you after receiving the information。 Name: Electrode GuiderItem No:T-D-EGDescription: Diameters of the inner holes :0.2mm, 0.3mm, 0.5mm, 0.7mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, etc.Usage: To hold the copper/brass tubes on the small hole EDM machines