Description Size 6-3/8" X 10-3/8"Has all 1/128th to 1/4, all 1/64ths to 1, all 1/32nds to 1-1/4.85 circles - 1/32" to 1-1/4" Diameter . All are dimensioned in both fractions and decimals. Common sizes are emphasized. Has lifetime precision pin-point centering. MADE IN THE USA by Timely
