A&I Mower Blade 21-3/16" - B1SN3013
After Market Replacement for Snapper 1731898 XHT (Xtreme Hardness & Toughness) blades feature a unique steel that incorporates boron, carbon, manganese, and other materials that ensure its strength. The blades are heat treated with a process makes the blades 25% - 40% harder than standard lawnmower blades, making them the longest-lasting, safest, and most impact resistant lawnmower blades on the market. Dim A (1): Length: 21.187 Dim B (2): Width: 2.250" Dim C (3): Thickness: .170 Dim D (4): Center Hole: 15/16" Dim E (5): XHT Dim F (6): 2 Blades Used For 42" Cut Replaces: 1731898 Type: High Lift Thanks for looking!