Hi-Lift Blade / Hustler 798702Pack Size:1Hustler 798702NHC 212-0915, Rotary 10421Exmark Lazer Z, Z XS and Z XP (260,000-539,999); Hustler XR7 Super ZLength: 24 1/2 ", Center Hole: 5/8 ", Width: 3 ", Thickness: .203 "