Blade for lawn tractor mower mower CTH164T CTH171 CTH184T CTH194 CTH224T CTH2642TRE CTH2642TR TC242 TC142 RIGHT ROTATION BLADE A: 541mm B: 5 points C: D: E: 4mm F: 57mm A: diagonal blade length B: Ø centre hole C: Ø positioning holes D: positioning hole spacing E: blade thickness F: blade width HUSQVARNA Part No.: R303940 Original part No.: 581517901 - 5815179LH AT