Starrett Parallel Set,3-8-1 5-16 In,4 Pc S154SZ

Adjustable Parallel Set, Included Sizes 11/16 in to 15/16 in, 1/2 in to 11/16 in, 3/8 in to 1/2 in, 15/16 in to 1 5/16 in, Maximum Size - Inch 1 5/16 in, Maximum Size - mm 33.3 mm, Minimum Size - Inch 3/8 in, Minimum Size - mm 9.5 mm, Number of Pairs 4, Range - Inch 3/8 in to 1 5/16 in, Range (mm) 9.5 mm to 33 mm, Thickness 9/32 in, Case Type Plastic Pouch, Includes Plastic Pouch, Includes Case Yes, Length 1 3/4 in, 2 1/8 in, 2 11/16 in, 3 9/16 in, Parallelism +/-0.001 in, Tolerance -