Blade for MULCHING ORIGINAL lawnmower mower CASTELGARDEN - GGP - STIGA - ALPINA for models: 510 BT 510 HT 534 WSQ-B A 53 HGRM AL3 51 SBQ BL 510 S BL 51675 COLLECTOR 53 S H COMBI 53 S CRC 534 WSQ FL 51 SQB HW 51 BA HW 511 PD ML53S HS MPRM 53 SP PG 53 BT S 5355 SP 533 LS T 53 TB XC 53 BS XR 53 BSW Length: 506 mm Centre hole diameter: 18 mm Side hole diameter: 8 mm Side hole spacing: 65 mm Part No.: 150560 Original part No.: 181004459/0 SM