ITEM NAME:Metal Alloy Air Cylinder Container Tube Chemistry Laboratory Measuring Tool Product Description Description: Features: Fine quality, no deformation, no air leakage. Special guide ring, 360 degree display. Specifications: Material: Alloy Size: 140*25mm/5.51*0.98" Pressure: 0.15-0.8MPa Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Air Cylinder.Material: Alloy. Included: 1 x Air Cylinder. Special guide ring, 360 degree display. Fine quality, no deformation, no air leakage. If item is defective after 3 months, you can still send it back to us.