Type | Cutting Blades : Lame de tondeuse pour jardin Sequence : 16550 Mounting holes diameter (mm) | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : 8.0 mmMulching function | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : Non Center mounting hole diameter (mm) | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : 17.0 mmCenter mounting hole shape | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : Rond Mounting part width (mm) | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : 57.0 mmLength (in) | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : 20 inLength (mm) | Lawn Mowers/Scarifiers/Aerators/Hedge Trimmers Powered - Blades : 508.0 mmSuitable for machine/vehicle model | Global : MB52 / BL4051SD / YM5020M Rotation direction | Global : Droite Suitable for machine/vehicle brand | Global : MTD Mounting holes distance (mm) | Cutting Blades : 63.5 mm