Set of Nine (9) Aftermarket Replacement Blades Fits Exmark Zero Turn Mower Lazer Z - 60'' Deck Blades w/ 5/8" bolt hole Specs: Center Hole Dia - 5/8", Length - 20-1/2", Width - 2-1/2", Thickness - 0.2040", Requires 2 for 40" cut, Requires 3 for 60" cut, Ordering Amount: 9 Blades Replaces Part Numbers: 103-0301, 103-0301-S, 103-1580-S, 103-2530, 103-2530-B, 103-2530-M, 103-2530-S, 1-633483, 613112, 613250, 633483 OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. Set of Nine (9) Aftermarket Replacement Blades Fits Exmark Zero Turn Mower Lazer Z - 60'' Deck Blades w/ 5/8" bolt hole Specs: Center Hole Dia - 5/8", Length - 20-1/2", Width - 2-1/2", Thickness - 0.2040", Requires 2 for 40" cut, Requires 3 for 60" cut, Ordering Amount: 9 Blades Replaces Part Numbers: 103-0301, 103-0301-S, 103-1580-S, 103-2530, 103-2530-B, 103-2530-M, 103-2530-S, 1-633483, 613112, 613250, 633483