Pair of right and left blades kit lawn tractor lawnmower mower compatible 84 cm deck models: XDC 135 HD - XDC 140 - XDC 140 HD - XDC 150 - XDC 150 HD - XDC 170 HD CASTELGARDEN Length: 420 mm Centre hole diameter: 18 mm Side hole diameter: 8,7 mm Centre distance of side holes: 65 mm Code: 17-037 + 17-038 Original code: 182004358/0 + 182004359/0