Replaces Exmark 103-6397-S, 103-6397, 1036397, 116-5175-S, 116-5715, 1165175. Order 3 blades for Exmark 52" cut. 15-11267 similar to Stens 302-619, Oregon 96-322. Copperhead Mulching blades with teeth, similar to gator blades feature a high lift edge for a smooth, even cut. The teeth at the end of the lawn mower blade ensure a quick shredding of grass clippings and debris.