Blade for lawnmower mower SW521 A: 525mm B: 26mm C: 13.5mm D: 90mm E: 4mm F: 57mm A: diagonal blade length B: centre hole dia. C: centre hole dia. D: distance between mounting holes E: blade thickness F: width of blade ISEKI Code: R302695 Original code: 250022000100 ALSO COMPATIBLE WITH KUBOTA WA021 4021 4051 O.R.: K6562137210 AT