Thread Identification Kits, Material Aluminum, Finish Anodized, Dimension Type Inch, For Use With NPT, UN Threads, Maximum Size - Inch 2 in, Maximum Size - Wire Not Applicable, Minimum Size - Inch 0.125 in, Minimum Size - Wire Not Applicable, Number of Holes Not Applicable, Length Not Applicable, Range 1/8 In.-27 to 2 In.-11 1/2 NPT, 5/16 In.-24 to 2 In.-12 UN, Thickness Not Applicable, Width Not Applicable