Precision Brass Weight Blocks Specifically engineered for the AXIAL SCX30 to enhance climbing performance, these blocks are CNC-machined from solid brass stock - (7g each) Mounted on the front axle steering blocks (steering knuckles), they effectively lower the vehicle's center of gravity, improving driving stability and climbing capability to create a more versatile crawler - Compatible with AXI-3324 front axle, directly replacing stock plastic Front Steering Blocks (Steering Knuckles), Recommended to use a removable-type locking adhesive on screws threading into metal