Conn.1 Size Body Sleeves Size Hex Size 1/8? Connector for 1? or 25mm No Sleeves Large 3/16? Connector for 1-1/2? or 38mm 1/8? Normal 1/4? Connector for 1-1/4? or 32mm 3/16?   5/16? Connector for 1/2? or 12mm 1/4?   3/8? Connector for 1/4? or 6mm 5/16?   1/2? Connector for 1/8? 3/8?   5/8? Connector for 2? 1/2?   3/4? Connector for 3/16? 5/8?   7/8? Connector for 3/4? or 18mm 3/4?   1? Connector for 3/8? or 10mm 7/8?   1-1/4? Connector for 5/16? or 8mm 1?   1-1/2? Connector for 5/8? or 16mm 1-1/4?   2? Connector for 7/8? or 20mm 1-1/2?   6mm   2?   8mm   6mm   10mm   8mm   12mm   10mm   16mm   12mm   18mm   16mm   20mm   18mm   25mm   20mm   32mm   25mm   38mm   32mm