Transparent Blue Brake Knob

2-1/8" Diameter. For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transparent Green Brake Knob

2-1/8" Diameter. For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transparent Pink Brake Knob

2-1/8" Diameter. For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.

Transparent Red Brake Knob

2-1/8" Diameter. For threaded dash air brake valves (threaded bendix type used from 90's through today). Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight.