GeeStone 5 Piece Glass Tubes with Brush 4 inch 12mm OD 2mm Thick Wall Tubing Borosilicate Blowing Tubes Clear Tubes for Lab

GeeStone 5 Piece Glass Tubes with Cleaning Brush 4.72 inch 12mm OD 2mm Thick Wall Tubing Borosilicate Blowing Tubes Clear Tubes

Copper Mesh,Pure Copper Wire Mesh, Hole and Gap Filler, Sturdy and Durable, Suitable for Gardens and Houses, Size 3.8" x 40"（1 Roll)

FoldTier 6 Pcs Borosilicate Glass Tube 12mm OD 2mm Thick Glass Blowing Tubes with Cleaning Brush (Clear,4 Inch)