Blade for lawn tractor mower flat mower 63 cm COMPATIBLE CASTELGARDEN - GGP - STIGA - ALPINA for models: GARDEN COMPACT Length: 620 mm Central hole diameter: 18 mm Side hole diameter: 8.5 mm Side hole spacing: 195 mm Code: 17-878 Original code: 184109501/0 - 184109504/0 SM