Body Sleeves Size Male Type Male Size Connector for 1? or 25mm No Sleeve NPT Thread 1?-11.5 Connector for 1-1/2? or 38mm 1/8? SAE Thread 1-1/4?-11.5 Connector for 1-1/4? or 32mm 3/16?   1-1/2?-11.5 Connector for 1/2? or 12mm 1/4?   2?-11.5 Connector for 1/4? or 6mm 5/16?   1-1/16?-12 Connector for 1/8? 3/8?   1-3/16?-12 Connector for 2? 1/2?   1-5/16?-12 Connector for 3/16? 5/8?   1/4?-14 Connector for 3/4? or 18mm 3/4?   1/2?-14 Connector for 3/8? or 10mm 7/8?   3/4?-14 Connector for 5/16? or 8mm 1?   7/8?-14 Connector for 5/8? or 16mm 1-1/4?   3/4?-16 Connector for 7/8? or 20mm 1-1/2?   1/4?-18   2?   3/8?-18   6mm   9/16?-18   8mm   7/16?-20   10mm   1/2?-20   12mm   5/16?-24   16mm   3/8?-24   18mm   1/8?-27   20mm      25mm      32mm