Features:100% Brand new and high quality!Long lasting and easy to installStable and Shock Proof Gives you the perfect solution for aircraft useSpecifications:Material: PlasticColor: WhiteInner hole: 6mmLength: 6.0 inchScrew Pitch: 4.5 inchCompatible with: H250mm 280mm FPVPackage includes: 4 Pair 3-Blade 6045 Propeller; 8 x Adaptor Ring SetNote: Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures， but not the same performance on different bodies as on the model. Thank you!