This is a A-B1GR2005 Blade-Mower, XHT, 14.50" PN: B1GR2005Main Description As Following : A-B1GR2005 Blade-Mower, XHT, 14.50" P.N: B1GR2005 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 the patented and independently tested Marbain heat-treating process. This 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.Center Hole: .63"Length: 14.5"Replaces: 2961600Thickness: .204"Type: High LiftWidth: 2.5" Crossed From: 02961600 ARIENS / GRAVELY , 2961600 ARIENS / GRAVELY Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada