MTD/White 400 Series 21" Bar Blade 742-0621, 942-0621 B1HN2107 Outside Diameter: 13/64 inches

Outside Diameter: 13/64 inches

Length: 19" (483mm) or 21" (533mm) based on the model specified (inches and mm)

This GREENWORKS® 40v Li-Ion powered Garden Blower features an axial fan to deliver higher wind velocity and is controlled by a variable speed trigger system

Fuel Supply · 12J902-0147-01-->Carburetor

MTD/White 400 Series 21" Bar Blade 742-0621, 942-0621 B1HN2107 Outside Diameter: 13/64 inchesReplaces OEM: MTD 742 0306, 742 0306A, 742 0490, 742 0521, 742 0621, 742 306A, 942 0621, OEM 742 0621, OEM742 0621 Jakmax: B1MA2428 GA Spare: BLF3964 Stens: 335 083 Standard Pack: 1 Suits models: MTD 400 series 21" walk behind mowers White 400 series 21" walk behind mowers Specifications: Length: 21" (531mm) Centre Hole Diameter: 7 8" (22. 2mm) Outside Hole Diameter: 3 8" (9. 52mm) Centre to Centre: 2 1 2" (63. 5mm) Width: 2 1 4" (57. 15mm) Steel