Replacement Propeller Set for 2 to 5 Inch Drones Compatible with 36303, 40233, 51363, 16102 and sizes T4x2.5, 7.5x3.7x3, 6x3x3. Includes 2 pairs compatible with Gemfan 3630x3 models. Key benefits Ready spare set: Two pairs provide immediate replacements for damaged or worn propellers, minimizing downtime during outdoor flying or practice sessions. Broad compatibility: Designed to fit common 2 to 5 inch propeller configurations and multiple model codes, so you can match props to a range of micro and mini quad setups. Stable, predictable handling: Precisionmolded blades keep consistent blade geometry for balanced rotation, helping reduce vibration and maintain predictable control inputs. Easy field swap: Lightweight and compact, the set is convenient to carry and quick to install when repairs are needed during flights. What this product does Replacement and spare propellers for small multirotor drones. Maintains flight stability and control when swapped in for damaged blades. Suited for racing, freestyle, and casual micro drone flying where fast replacement is useful. Important attributes Compatibility: 2 to 5 inch drones; compatible model references include 36303, 40233, 51363, 16102 and size codes T4x2.5, 7.5x3.7x3, 6x3x3. Includes two pairs compatible with Gemfan 3630x3. Quantity: 2 pairs per package for immediate replacements or spares. Design: Multiblade profile for responsive thrust and controlled maneuvering. Fit and function: Engineered for common micro motor shafts and mounting patterns used with the listed model codes. Practical use scenarios Field after a minor crash: Carry the two pairs to quickly broken blades and resume flying without returning home. Race or practice prep: Keep spares on hand to swap in matching props between sessions to maintain consistent handling. Cinematic or freestyle runs: worn blades with matched pairs to reduce vibration and preserve smooth footage and control responsiveness. What to check before Confirm your drone uses 2 to 5 inch propellers and matches one of the listed model codes or size designations. Verify mounting pattern and shaft size on your motors to ensure a secure fit. Package contents Two pairs of compatible propellers (four propellers total) matching 3630x3 style configurations. This propeller set is intended as direct replacements and spares for compatible small drone models and is supplied to help maintain consistent flight control and reduce downtime.