Features:
Widely applicable to various oil types. Engine oil, transmission oil quality, steering power oil, brake oil, and hydraulic oil.
Using premium quality materials, 2.5cm thickness. It is durable.
Diamond-level polishing process, non-toxic, tasteless, and crystal clear.
Rubber leak-proof ring and metal screw effectively prevent oil leakage.
It's easy to use. Thicken base, stable and firm.

Specifications:
Item Type: Oil Quality Comparator
Color: Transparent
Material: Glass
Type: 3 tubes, 5 tubes, 7 tubes(optional)
Package Size: 25*17*8cm / 9.84*6.69*3.15in
Package weight: 1110g

Package includes:
1 * Oil Quality Comparator
1 * Injector
1 set of screws