Blade for lawn tractor mower mower TURBO PRO 55 PRO 55 4S 55 S4 A: 530mm B: 18.5mm C: 8.5mm D: 65mm E: 3mm F: 80mm A: diagonal blade length B: centre hole dia. C: positioning hole dia. D: positioning hole dia. E: blade thickness F: blade width STIGA Code: R303974 Original code: 1111913001 AT