Tap here to read more about Deck Blade For Gravely ZT1540 ZT1844 ZT2048 ZT2252 ZT2552 ZTHD44 Notched Hi-Lift. Premium Quality Replacement Part Mower Deck Notched High Lift Blade. Length: 412.8 mm – 16.25 in. Width: 64.2 mm – 2.52 in. Thickness: 5.2mm – 0.2 in. Hole Diameter: 16.3 mm – 0? 64 in. Type: Notched High Lift Blade, Powder Coated. 3 x Bolt & Washer: 770136, 502532014, 5025320X14, 5025320X14SM 5025320, 502532014SM, 5025477, 5025320X14FS. Length: 55.5 mm – 2.18 in. Stud Length: 44 mm – 1.73 in. Head Diameter: 23.6 mm – 0.92 in.