Projections of 15 , 30 , 45 and 60 . Size range: 15 , 3/16" to 1-5/8"; 30 , 1/8" to 1-1/2"; 45 , 1/8" to 1-3/4"; 60 , 1/8" to 1-5/8". Increments are in 1/16" from 1/8" to 1" and in 1/8" from 1-1/8" to 1-3/4". Includes built-in ink risers. Size: 8-3/4" x 12" x .030"