D6.0x400MM Brass Tube Multihole (30PCS/LOT),Brass EDM Tubing Electrode Multi-Channel Diam. 6.0 Length 400 for Electric Discharge - AliExpress

Brass Tube For EDM drilling Pipe Guide Electrode Tubes – TAGUTI

Eco Cut Brass EDM Wire 0.10, 0.15, 0.20, 0.25, 0.30mm EDM Brass

D6.0x400MM Brass Tube Multihole (30PCS/LOT),Brass EDM Tubing

Brass Tube For EDM drilling Pipe Guide Electrode Tubes – TAGUTI

Novick - EDM drilling Supplies, Electrodes, and Consumables - EDM

Brass Copper Electrode Tube for EDM Drill Small Hole Machine

Brass Multi Channel EDM Tubes - EDM Supplies for Small Hole Drilling

Brass Tubing Packs for Small Hole EDM-Multi Channel

Brass Multi Channel EDM Tubes - EDM Supplies for Small Hole Drilling