Air Compressor Oil Level Gauge Sight Glass M27x1.5mm Male Thread Aluminum 5Pcs 0.2"IDx0.23"ODx17" Shaft Length: 400mm/(15

Shaft Length: 400mm/(15

close observation for those items like hallmarks

aluminum and mild steel tubing

for BMW 328d 2014-2017

17mm outside diameter

Air Compressor Oil Level Gauge Sight Glass M27x1.5mm Male Thread Aluminum 5Pcs 0.2"IDx0.23"ODx17" Shaft Length: 400mm/(15Descriptions: The main body is made of aluminum, which is not easy to wear and burst compares to plastic material. The outside diameter of the oil level sight glasses with recessed hex design. Male thread with an O ring on the periphery, easy to install and well sealed the oil. With high heat resistance and strong bending strength tempered glass, can work in high temperature environment. Tempered glass is clear and transparent, the oil level can be