Tamiya 54596 - TB-04 Carbon Reinforced Lower Deck OP-1596  [54596]

That is a plastic molded chassis for the TB-04 framework. It makes use of carbon dietary fiber reinforced resin which adds significant rigidity to any TB-04 chassis device compared to the fiberglass reinforced chassis included in stock TB-04 kits. A stiffer framework is very helpful on higher-grip circuits.

Specs:

• Contains TB-04 Carbon Fiber-Reinforced Lower Deck x1
• Compatible with TB-04 framework automobiles.
• It's suggested to pre-tap the framework with a 3mm forming tap particularly item 54232 M3x0.5mm Thread Forming Tap whenever placing screws.