1、Perfect Fit: Compatible for HOBBYPLUS 1/18 4WD CP18P RC car. Accurate size ensure balanced driving, enhancing the realism and improving balance and control of RC car. 2、Aluminum Alloy Material: Made of CNC machined aluminum alloy, the counterweights are safe, environmentally friendly, sturdy, durable, and resistant to deformation, ensuring a long service life. 3、Enhanced Stability and Handling: The well designed counterweights increase the weight of the wheels, lowering the RC car's center of gravity and improving stability and maneuverability. 4、Exquisite Appearance: The counterweights boast a sleek look and stable performance, making your remote control car look more realistic, cool, and functional. 5、Easy to Install: Reasonable design for easy installation and removal, allowing direct replacement of original or damaged parts for increased strength. Item Type: RC Wheel Weight Block Material: Aluminum Alloy, Copper Weight: Approx. 158g / 5.6oz Compatible Model: for HOBBYPLUS 1/18 4WD CP18P RC Car Diameter: 3.8cm / 1.5in Height: 1.5cm / 0.6in 4 x RC Wheel Weight Block