ZALANA 48" Deck Replacement Lawn Mower Mulching Blades for GY20852 GX21784 AM137757 AM141035 - Compatible with John Deere 145 155C D140 D150 D160 LA130 LA140 E160 Mower - 3 Pack

• Blade Dimensions ------ Blade Length: 17-1/8 inches, Width: 2-3/4 inches, Thickness: 0.157 inches, Center Hole: 7-Point Star. Package Includes: 3 x GY20852 Blades Replace Part Numbers ------ The mulching blades replaces John Deere AM137757, AM141035, GX21784, GY20852 Compatibility ------ Compatible with John Deere 145, 155C, D140, D150, D160, E140, E150, E160, E170, LA130, LA140, LA145, LA155, LA165, S140, S160, S170, X140, X165, X166, X167, Z245, Z255, Z355E, Z355 EZtrak Residential Zero Turn Mower Premium Quality ------ The GY20852 lawn mower blades are made of high quality steel, heat-treated for strength and resistance, which extended longevity of the blade. The sharp blade allows you to cut effortlessly and consistently. Easy to Install ------ 1. Disconnect the spark plug. 2. Remove the blade bolts and old blades. 3. Clean the dirt and grass from around the blade mounting area. 4. Replace the old blade with new one. Please make sure the blade is facing the same direction as the old blade was, there are arrows on the blade showing which direction it should turn