波兰采购需求：无人机，半专业级无人机

I'm currently looking for compatible propellers for a drone model in my possession. I would appreciate your guidance on which propellers fit this particular model, including any specific details regarding their length and diameter. Additionally, I need to know the appropriate screw specifications—exact length and diameter—required for installation. It's essential for me to ensure everything aligns well for optimal performance. A prompt response would be greatly appreciated as I am eager to move forward with the procurement process. Your expertise in this matter would be highly valuable. Thank you in advance for your assistance!