The oil viscosity tester features a sleek design with a sturdy demonstration stand, making it Ideal for showcasing the differences in oil viscosity. This tool is indispensable for routine car maintenance, allowing users to easily compare and evaluate the condition of engine and transmission oils, thus preventing potential engine damage and ensuring smooth operation. Features -Color:Transparent -Material:Acrylic -Size:11.70X9.00X2.50cm/4.60X3.54X0.98in -Accurate comparison: provides precise comparison of engine oil quality, aiding in the selection of the oil for your vehicle -Userfriendly: easy to operate, simply insert the oil sample into the device for accurate results -Multipurpose: capable of testing both engine oil and transmission oil viscosity, ensuring thorough oil quality assessment - : constructed with durable materials, ensuring reliability and longevity -Essential for maintenance: Ideal for use in automotive repair shops and maintenance facilities, making it a musthave tool Package list: 4 x transmission oil viscosity tester 4 x injector 4 x wrench 16 x screws 16 x washers 16 xballs