Standard Pack = 1 piece(s). Type = Flexible Hone ; Minimum Bore Diameter = 1 1/2 Inch ; Maximum Bore Diameter = 1 1/2 Inch ; Abrasive Material = Silicon Carbide ; Abrasive Length = 2 1/2 Inch ; Grade = Medium ; Grit = 180 ; Overall Length = 2 1/2 Inch ;