ZYAMY 10PCS Cast Iron Hexagon Rotating Open End Nut M10 High Lamp Tube Galvanized Iron Repair Parts for Threaded Pipe Joint Screw Lighting Extension Rod Joint 25mm June2023_cocoonwix You can use the tube

You can use the tube that the hydrometer comes with or purchase a test jar separately

Adjustable Brightness & Color: There are 4 lighting modes of the reading lamp: Bright/dim white and bright/dim yellow

or to form a sharp impression on the workpiece

handheld Barcode Reader Scanner Fast Accurate Reading Speed: 32Bit CPU super decoding ability that the speed can up to 300/sec

invigorating and calming

ZYAMY 10PCS Cast Iron Hexagon Rotating Open End Nut M10 High Lamp Tube Galvanized Iron Repair Parts for Threaded Pipe Joint Screw Lighting Extension Rod Joint 25mm June2023_cocoonwix You can use the tubeZYAMY 10PCS Cast Iron Hexagon Rotating Open End Nut M10 High Lamp Tube Galvanized Iron Repair Parts for Threaded Pipe Joint Screw Lighting Extension Rod Joint 25mm Material: Iron Finish: galvanized Opening width: 13mm 0. 51" Overall height: 25mm 0. 98" Hexagonal width: 14mm 0. 55" Thread size: M10x1mm Package content: 10 x iron hexagon nuts It is made of iron material, zinc plated, with good corrosion resistance and strength. Long service life.