2 Rotary® 11593 Mower Blades for AM137327 Windsor® 50-3231 578431911 Arnold® 490-110-0134 Length 21-3/8” Width 2-3/4” Thickness .158” Center Hole 7 Point Star Fits 42in. Deck Rotary® Mower Blades manufactures high-quality, OEM replacement lawn mower blades. Rotary® Mower Blades are made in the United States. Two (2) pack of Rotary® replacement blade fits John Deere® Windsor® Husqvarna® Arnold®. Specifications:Quantity: 2 PackBlade Type: MulchingLength: 21-3/8 in.Width: 2-3/4 in.Thickness: .158 in.Center Hole: 7 Point StarRequires two (2) blades for 42-inch deck.330-441Oregon® Number: 192-106Made in USA Replaces OEM:Arnold: 490-110-0134Husqvarna: 578431911J Thomas: DE-2215John Deere: AM137327, AM137329, AM137330, AM141031, AM141032, AM141034, M154061, M154062, AM137328, AM137333, AM141033, GM149625, GX21694, GX22151, GY20850, M145968, M149422, UC21583Sunbelt: B1JD6016Windsor: 50-3231 Fits Models:John Deere: 102, 115, 125, 135, D100, D110, D120, D130, E110, E120, E130, LA100, LA105, LA110, LA115, LA120, LA135, S100, S110, S120, S130, S240, X110, X120, X300, Z225, 105, 107S, D105, D125, E100, LA125, LA160, LT160, LT180, SST15, SST16, X105, X107, X125, X126, X127, X145, X225, X304, X310, Z235, D120DDolmar: 115 To ensure the blade will fit a certain mower, please make sure the part number and measurements match the original blade. WARNING! This product can expose you to chemicals including nickel_oxide, which is known to the state of California to cause cancer and birth defects or other reproductive harm. The following brand or brands are used for identification purposes only and are registered trademarks of their entitled parent company: AMF®, Ariens®, AYP®, Bad Boy®, Bobcat®, Bolens®, Bunton®, Copperhead®, Country Clipper®, Craftsman®, Cub Cadet®, Dixie Chopper®, Dixon®, Encore®, Excel®, Ferris®, Giant Vac®, Grasshopper®, Gravely®, Great Dane®, Gutbrod®, Hako®, Honda®, Hustler®, Jacobsen®, Jonesred®, Kees®, Kubota®, Lastec®, Lawn-Boy®, Lazer®, Lesco®, McCulloch®, MTD®, Murray®, NOMA®, Poulan®, Ransomes®, Roper®, Scag®, Scotts®, Sears®, Simplicity®, Snapper®, Sunbelt®, Toro®, Troy-Bilt®, Viking®, Walbro®, Walker®, Windsor®, Woods®, WorldLawn®, Wright Mfg®, Yazoo®.