The Quad Clasic is a versatile, multifunctional insert that combines a loftier 1/4 inch forward pitch on one side and our popular Perfect Oval insert on the other. 19/32 through 13/16 have outside diameter of 31/32 inches. 53/61 through 29/32 have outside diameter of 1-1/32 inches. This is for 1 pack of 10. One Color, One Size.