Features: Immersions sleeves are selected from stainless steel, which is waterproof, corrosion-resistant, have a smooth and is durability. Stainless steel diving sleeve, 1/2inch thread, equipped with waterproof connection, easy to install. Immersions sleeve 1/2inch thread, outer diameter 8mm, inner diameter 6mm, length 300mm, 2pcs in one set Widely used in solar panel, water tanks, blind pipe and kitchen appliances and can be used in sensors accessories industry, electronics industry, kitchen accessories, shipbuilding industry, automotive industries Immersions sleeve for temperature sensors can be used outdoors or in damp environment for long time to prevent the sensors itself from coming into contact with the medium, and to protect the sensors Specifications: Component:Stainless Steel Length:Approx.330mm/12.99inch Package Includes: 2Pcs Immersions Sleeves note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.