THIS SET OF FIVE HANSON-WHITNEY THREAD RING GAUGES INCLUDES VARIOUS SIZES AND THREAD SPECIFICATIONS. THE GAUGES COVER THE FOLLOWING SPECIFIC SIZES: 1 – 7/8-14 NF 2 LH WITH A GO PD OF .8286; 1 – 1-14 NS 2 LH WITH A GO PD OF .9536; 1 – 5/8-11 UNC-3A WITH A NOGO PD OF .5619; 1 – 3/4-10 NC-2 WITH A LO PD OF .6786; AND 1 – 3/4-16 LH, DESIGNATED AS LEFT HAND. THE GAUGES ARE SPECIFIED AS THE TYPE: THREAD RING GAUGE AND ARE MANUFACTURED BY HANSON-WHITNEY.