blades for lawnmowers mowers mowers mowers MODELS: BG-PM 51 M-SE BG-PM 51 S HW LENGTH: 507 mm Ø CENTRAL BORE: 16.2 mm Ø SIDE BORE: 9.8X6.8 SIDE BORE INDEX: 47.5 mm EINHELL Part No.: 122-255 Original Part No.: 34.055.65 3405565 CZ