The lead balls from Modellbau Lindinger are an essential accessory for model building, especially for RC airplanes. With a diameter of 3 millimeters and a total weight of 100 grams, these balls provide a precise way to weigh and trim models. They are made from high-quality lead, giving them a high density, making them ideal for targeted weight adjustments in models. The gray color group allows for discreet integration into various model building projects. These lead balls are particularly useful for model builders who prioritize exact balance and optimal flying characteristics. They can be easily integrated into models to achieve the desired weight and improve stability during flight. Using these lead balls helps optimize the performance and handling of RC airplanes, making them a valuable component of any model building equipment.