Description: 1. Applicability: Fit Combo. 2. Material: Good material, 3D printing process, fine stripes on the surface. 3. Function: The propeller can be fixed, the storage is simpler and more convenient, and it can effectively the propeller from being damaged during storage. 4. Easy to use: Easy to install and disassemble, no tools are needed. 5. Portability: Propeller stabilizer is compact in structure, light in weight, easy to carry and store. Tips: The product is only 4 propeller stabilizers, not including drones for demonstration. Specifications: Product name: Propeller stabilizer Color: Black Material: Applicability: Fit Combo Size: About 38*26*15mm/1.50*1.02*0.59inch(L*W*H) Package Includes: 4Pcs * Propeller stabilizer