20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400mm Copper Tube Multihole, Copper EDM Tubing Electrode MultiChannel Dia. 3.0mm Length 400mm for Superdrill EDM - AliExpress

Edm Electrode - Tools - Aliexpress - Easily buy edm electrode in bulk

20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400mm Copper Tube Multihole, Copper EDM Tubing Electrode MultiChannel Dia. 3.0mm Length 400mm for Superdrill EDM - AliExpress

20PCS/LOT) 3.0x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress

20PCS/LOT) 3.0x400MM EDM Copper Tube Single Hole, Copper EDM Tubing Electrode Tube Single Channel, Diameter 3.0mm, 400mm Long - AliExpress