Blade for lawn tractor mower mower GR1600EU RCK42GREC RCK42GREC2 LEFT ROTATING BLADE A: 550mm B: 18.4mm C: D: E: 6mm F: 65mm A: diagonal blade length B: Ø centre hole C: Ø positioning holes D: distance between positioning holes E: blade thickness F: blade width KUBOTA Code: R303953 Original code: K525371830 AT