2Pcs/lot, All Brass M10 Inner Thread Pipe Tooths on Both Ends, Copper Hollow Tube For Lighting Accessories - AliExpress
30PCS/LOT) 4.3x400MM Brass Tube Multihole type, EDM Brass Tubing Electrode MultiChannel, Dia. 4.3mm, 400mm Long for DRILL EDM - AliExpress
(30PCS/LOT) 4.2x400MM Brass Tube Single Hole type, EDM Brass Tubing Electrode Single Channel Dia. 4.2mm 400mm Long for DRILL EDM
Wholesale 4.3x400MM Brass Tube Multihole , Brass EDM Tubing Electrode Multi Channel Diam. 4.3 Length 400 For Electric Discharge Treatment From Edmproducts, $67.34
uxcell Brass Tube, 2mm 3mm 4mm 5mm 6mm 7mm 8mm 10mm OD x 0.5mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 8 : : Industrial & Scientific
50PCS/LOT) 1.6x400MM EDM Brass Tube Single Hole, Brass EDM Tubing Electrode Tube Single Channel, Diameter 1.6mm, 400mm Long - AliExpress