Features:
Made of high quality brass
Heavier weight can lower the center of gravity
Help to extend the distance of the wheel
For 1/10 RC Crawler TRX4 TRX6

Specifications:
Material: Brass
Quantity: 4PCS / 6PCS
Thickness: 5/8.5/10MM Optional
Hex Width: 12mm
Weight: 5g/pcs 7g/pcs 11g/pcs