The Toro 1005582 Hi-Lift Blade Kit is an authentic OEM replacement part designed for various Toro Z Master G3 series commercial mowers. This comprehensive kit includes two high-lift blades and all necessary mounting hardware for a complete installation. Each blade is precisely engineered with a length of 520.7 mm (20.5 inches), a width of 63.5 mm (2.5 inches), and a thickness of 6.35 mm (0.25 inches). Key dimensions include a 15.875 mm (0.625 inch) center hole and two 9.525 mm (0.375 inch) outer holes spaced 63.5 mm (2.5 inches) apart. This kit ensures superior cutting performance and efficient debris discharge, maintaining the high standards of your Toro equipment.