Product Description These router bits are sized to exactly match today's nominal plywood thicknesses. 7/32-inch bit for 1/4-inch Plywood31/64-inch bit for 1/2-inch Plywood23/32-inch bit for 3/4-inch Plywood Precision ground for proper balance at high RPM Bits Included:Whiteside SC218 - 7/32in Dia, 3/4in Cutting Length, 2-3/4in OALWhiteside ..