Features: This series of products are widely used in hydraulic system pressure detection, lubrication, exhaust, pressure system oil sampling. This test adapter is made of high quality carbon steel and stainless steel material, sealing by good sealant, with long serving life. It can withstand high pressure, and great temperature resistance. Advanced structure, reliable sealing, no oil leak. Small size, light weight, easy to use. Specifications: Material: carbon steel, stainless steel Working medium: hydraulic oil, mineral oil Surface treatment: galvanized Length: 5.5cm / 2.17in Thread: G1/4, M16*2 Weight: 71g Package included: 1 x test adapter Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.