Commercial Mulching Blade replaces John Deere M115495 for 48" deck. All blades are sold individually. Order quantity of (3) blades for 48" cut. Commercial mulching blades feature a high lift edge for a smooth, even cut. The teeth at the end of the blade ensure a quick shredding of grass clippings and debris. Be sure to match the part number from the owners manual for the part you are replacing with the OEM number(s) listed.