Efficient Setup: You can just add some mineral oil, some vegetable oil, or some slaked in it and it have good performance. Material: Made of Plastic, can withstand the rigors of beekeeping and different weather conditions. Easy to use: The plastic beekeeping tool is easy to install on the frame, and it's the best to place it at the top and bottom corners of the hive. No complicated instructions or additional tools are required, making it accessible to beekeepers of different experience levels., Manufacturer: Jnchdghwa