Description:1. Made of high quality zinc alloy, durable to use.2. Quick and simple to use - just get and trim. Simply insert the tube into the cutter and rotate the tube to get the exact mark, then snap the tube along the result mark.3. Glass tube diameter can be cut to 1.57 inch (40mm).4. Handheld and portable fabric cutting laser in glass case is very easy and easy.5. Glass cutter, adopted for cutting small glass tube, easy to operate. Specifications:Item Name: Glass Tube CutterMaterial: Zinc Alloy Color: Silver Size: 6.5x7.2cm/5.6x2.8inch Maximum Cutting Thickness Glass Tube: 3mm/0.12inch Maximum Cutting Diameter Glass Tube: 40mm/1.57inch Note:-There may be a small size error for manual measurement.-Color deviation may vary due to different monitor settings, please understand.