Carbing High Grip Aluminum Shift Knob Gun-Metallic Bronze.
Made by Carbing (Okuyama Japan), these high grip shift knobs are aluminum and have a knurled surface finish to prevent slip. Each shift knob has the official Carbing logo engraved at the bottom.
Thread Sizing: M10x1.25mm: Nissan, Mitsubishi, Mazda, Isuzu with Manual Transmissions.
Specifications:
Diameter: 30mm
Length: 85mm
Weight: 4.4oz or 125 gram
** 5 & 6 Speed shift pattern decals are also included with each shift knob.
To get a better perspective, here's a comparison of the Carbing knob vs. Mugen Gen 1 vs. Feel's Ti Knob:
Shown below from left to right is NSX Type S (Titanium), S660 (Titanium) and Carbing (Aluminum):