Diameter (Inch)Thickness(Inch)Hole(Inch)Bushing(Inch)GRITRPMPrice5"3/4"1"3/4, 5/8, 1/2"A-365350168.005"3/4"1"3/4, 5/8, 1/2"A-465350168.005"3/4"1"3/4, 5/8, 1/2"A-605350168.005"1"1"3/4, 5/8, 1/2"A-365350190.005"1"1"3/4, 5/8, 1/2"A-465350190.005"1"1"3/4, 5/8, 1/2"A-605350190.00