General description 4Pcs Wrench set designed for turnbuckle nut ball end joint removal, suitable for RC cars, drones, and boats. Made from high-quality metal, these tools are solid and easy to use, making replacements straightforward. Technical specifications Quantity: 4 pcs Color: Black & Red Material: Metal Dimensions: 3/3.2/3.5/3.7/4/5/5.5/6 mm Measurement error: +/- 1-3 cm Usage Ideal for vehicles and remote control applications, particularly for assembly and maintenance of RC parts and accessories. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.