Features: Low noise carbon fiber propeller is suitable for DJI Inspire 1 Drone, with lower noise and longer battery life. Carbon fiber material, high hardness and high strength, more durable than plastic propellers, more stable flight, and save battery power. Easy to carry, exquisite and lightweight to fly easily. Especially in strong winds, the balance is good. Install and remove props in minutes using the included screwdriver, even the first time you install and remove, you won't find it difficult. Package includes: 2Pair 1345S Propellers, 2Set Propeller Installation Kits. Name: Quick Release 1345S 2CW+2CCW Propellers Material: Carbon fiber Length: 13 inch Center hole: 4.5mm Weight: 73g (a pair of equipment) Color: Black Package include: 2Pair 1345S Propellers 2Set Propeller Installation Kits