Fangrui Product Details [ Part Number] This Pulley-equipped Lawn Mower Blade Adapter Serves As A For The 687-02528 Adapter Blade, 710-1044 Hex Bolt, And 736-0524b Blade Bell Support Washer. [compatibles With] The 25mm Drive Pulley Adapter Compatibles With Tb230, Tb240, Tb260, Tb280es, 12aga25s011, 12aga2m6766, 12aga2mt766, Cad Et 12aba2m5710, 12aba2m5756, 12abb22j709, Please Check More In The Description [high Quality] The Product Is Made Of High-quality Bronze Material, Which Greatly Improves Its Reliability And Durability. It Has Undergone Multiple Factory Tests To That It Exceeds Part Number Standards [easy To Install] Comes With Bolts And Blade Gaskets, Easy To Install. When Installing, Clean The Shaft, Remove The Blade, Remove The Old Pulley, And Then Install The New Pulley [packaging Includes] 1 Piece Of Lawn Mower Blade Adapter With Drive Pulley, 1 Piece Of Blade Gasket, 1 Piece Of Bolt. Pulley Diameter: 2.8inch; Inner Diameter: 0.98inch; Height: 2.85inch Colour:as Shown Material:steel Package Co