Rotary 13367 PK3 Copperhead Mulching Blades Pack of 3 - Three (3) blades are required for 52" cut Replaces: Husqvarna: 574870801 Fits Husqvarna: GTH24V52LS, GTH26V52LS, GTH27V52LS, GTH2752TF, GTH3052TDF, GTH3052TF, GTH52XLS, GT48XLSI, GT52XLS, GT52XLSi Length 17 3/4"; Width 2 1/2"; Thickness 0.2040"; Center Hole Diameter: 5 Point Star