ITEM NAME:2Pcs Copper Internal Counterweight for 1.9 2.2 Inch Wheel Rims Axial Scx10 T2E4 2Pcs Copper Internal Counterweight for 1.9 2.2 Inch Wheel Rims Axial Scx10 T2E4 Use: Vehicles & Remote Control Toys RC Parts & Accs: Other Fine workmanship and perfect style. Lower the center of gravity of car, increase balance. Long service time and so durable. Simple to use,Professional and very pratical. Effect: increase the weight of the hub, lower the center of gravity, and make the car more stable colour:yellow Material:copper size:Outer Diameter: 38mm Inner Diameter: 22.5mm Aperture: 13mm Package Contents: 2x Counterweight.2x Counterweight. Lower the center of gravity of car, increase balance. Effect: increase the weight of the hub, lower the center of gravity, and make the car more stable.