Motor height: 34.2 mm (1.35 in) Motor shaft diameter: 2.0 mm (0.079 in) Motor shaft length: 13.5 mm (0.53 in) Blade diameter after assembling: 100 mm (3.94 in) Key benefits and features Compact height supports tight builds while providing stable performance 2.0 mm shaft diameter aligns with common prop adapters, enabling straightforward installation 13.5 mm shaft length offers secure engagement with the prop hub Assembled blade diameter of 100 mm delivers suitable thrust for small platforms Compatibility and performance Designed for use with standard 2 mm shaft hardware and hubs Suitable for assembling 100 mm blade assemblies on small motors Provides a balance of compact size and propulsion capability for small RC applications Use scenarios 1) Micro quadcopter FPV and racing drones that require 100 mm prop blades for efficient thrust and maneuverability 2) Small RC aircraft or multirotor projects needing a compact motor with a 100 mm blade diameter after assembly 3) DIY robotics or educational kits that incorporate a 2 mm shaft motor and 100 mm blade assembly for demonstration and experimentation