There are only 12 in the picture but listing is for 15 blades. Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. XHT blades also offer greater impact toughness. (3) blades for 60 cut. Fits Exmark Lazer Z and Turf Ranger models. High Lift – Notched. TORO / WHEEL HORSE. A & I MEGA-CROSS. Cherry Valley Landscape Center. The item “Exmark blades set of 15 for 60 P/N 103-2530 Heavy Duty Marbane Steel USA MADE” is in sale since Thursday, June 9, 2016. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mower Parts”. The seller is “mowerparts7711″ and is located in Rockford, Illinois. This item can be shipped to United States.