Blade for lawn tractor mower mower GUARDIAN 53 222 427 16212 16299 16380 21610 21647 A: 534mm B: 11 mm C: D: E: 3mm F: 57 mm A: diagonal blade length B: centre hole dia. C: centre hole dia. D: distance between centres of positioning holes E: blade thickness F: width of blade TORO Code: R300420 Original code: 202720 AT