Adjustable Parallel Set Included Sizes 1 3/4 in to 2 1/4 in 1 5/16 in to 1 3/4 in 1/2 in to 11/16 in 11/16 in to 15/16 in 15/16 in to 1 5/16 in 3/8 in to 1/2 in Maximum Size - Inch 2 1/4 in Maximum Size - mm 57 mm Minimum Size - Inch 3/8 in Minimum Size - mm 9.5 mm Number of Pairs 6 Range - Inch 3/8 in to 2 1/4 in Range (mm) 9.5 mm to 57 mm Case Type Plastic Pouch Includes Case Yes Length 1 5/8 in to 4 7/8 in Parallelism +/-0.001 in Tolerance -