1. For Inspire 1 1345T 2. A pair of propellers, including a front and back blade 3. Compatible with Inspire 1 series, Matrice M100 4. To use the Inspire 1 1345LS quick release paddle base 5. Easy to install and durable 6. Made of high-quality materials, the materials are strong and wear-resistant 7. High strength, light weight, good stability, strong bearing capacity, low power loss