Product overview This is a replacement blade designed for small fans and home appliances. The green propeller blade has a 40mm diameter and a 2mm aperture, with an IE 2 efficiency rating. It is intended for use with compatible devices and can be used as a direct replacement blade. Key benefits Restores function quickly: a damaged or worn blade to bring a fan or appliance back into operation without replacing the complete unit. Compact and precise fit: 40mm blade diameter and 2mm aperture provide a consistent mounting size for compatible assemblies. Designed for appliance use: Specified as a blade for fan and home appliance applications, suitable for compact motor assemblies. Clear compatibility note: Suitable for devices that accept a 40mm blade with a 2mm aperture, including models compatible with BoAt equipment. Important attributes Type: blade Color and style: green propeller Blade diameter: 40mm Aperture: 2mm Efficiency: IE 2 Intended usage: Fan and home appliance replacement component Use scenarios a small desktop or fan by replacing a broken blade with this 40mm green propeller to restore balanced airflow. Service a compact home appliance that uses a small fan assembly where the original blade has become damaged or warped. or test a blade in prototype or hobby projects that require a 40mm diameter propeller with a 2mm mounting aperture, including equipment compatible with BoAt models. Notes for buyers Confirm the 40mm blade diameter and 2mm aperture match your device mounting before ordering. This listing describes the blade component only. Speed RPM details are listed as green propeller in the original specification.