Copperhead mulching blade (similar to Gator blades) replaces Exmark 103-6398-S, 103-6393-S and 116-5174-S 20.5" mower blade with 15/16" hole for 60" cut. 15-11469, similar to Stens 302-623 and Oregon 96-749. Order (3) blades for Exmark 60" deck. Fits some Exmark Lazer and other models. Refer to your manual to match by OEM#. Mulching mower blades feature a high lift edge for a smooth, even cut. The teeth at the end of the replacement Exmark mower blades ensure a quick shredding of grass clippings and debris.