6 PC 3/8" - 2-1/4" Adjustable Parallel Set Precision Parallel Measurement
Height range: 3/8" to 1/2", 1/2" to 11/16", 11/16" to 15/16", 15/16" to 1-5/16", 1-5/16" to 1-3/4", 1-3/4" to 2-1/4"