Compatible scarifier blade 22-360 ALKO 510504 104592 510825 L a m a p e r s h i p Requires two-blade device as the hole is 45 square. Features: Length: 156 mm Centre hole diameter: 14.3 mm - square shape CODE : 22-360 400006 REFERENCE CODE : 510504, 104592, 510825 A L-K O