M10 x 1 25sx for brushcutter models 435 BP 440 BP 446 BP 453 BP 740 S 740 T 741 746 S 746 T 753 S 753 T 755 MASTER BC 24 S BC 24 T BC 240 S BC 240 T BC 241 T BC 270 S BC 270 T BC 280 S BC 280 T BC 300 S BC 300 T BC 320 S BC 320 T BC 350 S BC 350 T BC 360 S BC 360 T BC 380 S BC 380 T BC 400 S BC 400 T BC 430 S BC 430 T BC 530 S BC 530 T BC 550 MASTER BCF 530 OM 43 BP SPARTA 25 SPARTA 38 - 380 T - 381 S/ T SPARTA 44 - 440 S/T - 441 - 441 S/T Code: Original part number: 63129008 CZ