50pcs/bag) 0.9x400MM Brass Tube MultiChannel, EDM DRILLING Brass Tubing 0.9mm 400mm Long Superdrill Electrode Tube Multihole - AliExpress
(50PCS/LOT) 1.8x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 1.8mm, 400mm Long
AIMIMI Brass Hollow Tube 400mm LengthHigh Temperature Resistance Brass Pipe Tubing for DIY Decoration Frame Models Hobby,2.0x400mm : Industrial & Scientific
Uxcell Fully Threaded Rod M8 x 400mm 1.25mm Thread Pitch 304 Stainless Steel Right Hand Threaded Rods Bar Studs 4 Pack
Brass Hollow Tube 400mm LengthHigh Temperature Resistance Brass Pipe Tubing for DIY Decoration Frame Models Hobby,2.0x400mm
5.0x400mm (30pcs) Brass Tube Multi Channel for small hole drilling edm machine. EDM Drill Electrode Tubing Brass (8 type hole) - AliExpress