AEagle Blade - Sturdy and Durable Steel Especially for Heavy Duty Lawn Mower Tractor Specs Length: 19 inches Width: 2 2/3 inches Thickness: 0.197 inches Center Hole: 3/4 inches For Deck Size: 54 inches Replaces for Part Number: for John Deere M143520 Fit Models: Compatible with John Deere GT225 - GT245, GX255, GX325, GX335, GX345, GX355, LX280, Z375, Z425, Z435, Z445, Z525, Z535, Z540 with 54-Inch Mower Cut Deck Compatible with John Deere 1023E, 1025R, 1026R, 2025R, 2210, 2305, 2320 with 54-Inch Mower Cut Deck Compatible with John Deere X340, X380, X390, X500, X520, X530, X534, X540, X570, X580, X584, X590, X754, X758, X575 - X595 with 54-Inch Mower Cut Decks