This automotive oil quality comparator is an essential tool for car maintenance, designed to test the viscosity of engine and transmission oils. Its acrylic construction ensures durability and clear visibility during demonstrations. Ideal for both professional mechanics and car enthusiasts, it helps in accurately assessing oil quality, ensuring optimal vehicle performance. Features -Color:Transparent -Material:Acrylic - Size: 12.00X10.00X2.50cm/4.72X3.93X0.98in -Precise detection: accurately compares the quality of automobile engine oil, helping car owners choose the most suitable oil. -Easy to use: simple operation, just place the oil sample into the instrument to get accurate comparison results. -Versatile functionality: not only compares engine oil but also tests the viscosity of transmission oil, providing comprehensive oil quality testing. -Durable and reliable: made of reliable materials, it offers good durability and reliability for longterm use. -Practical tool: ideal for car repair shops and maintenance centers, it is an essential testing tool Package list: 1 x transmission oil viscosity tester 1 x injector 1 x wrench 4 x screws 4 x washers 4 xballs