Part No Thread Hose I.D (inches) tailpiece Hose ID(mm) tailpiece SSMH 2/2 1/8" BSPT 1/8" 3mm SSMH 2/4 1/8" BSPT 1/4" 6mm SSMH 4/4 1/4"BSPT 1/4" 6mm SSMH 4/5 1/4"BSPT 5/16" 8mm SSMH 4/6 1/4"BSPT 3/8" 10mm SSMH 4/8 1/4"BSPT 1/2" 12mm SSMH 6/5 3/8"BSPT 5/16" 8mm SSMH 6/6 3/8"BSPT 3/8" 10mm SSMH 6/8 3/8"BSPT 1/2" 12mm SSMH 8/4 1/2"BSPT 1/4" 6mm SSMH 8/6 1/2"BSPT 3/8" 10mm SSMH 8/8 1/2"BSPT 1/2" 12mm SSMH 12/8 3/4"BSPT 1/2" 12mm SSMH 12/12 3/4"BSPT 3/4" 19mm SSMH 16/12 1"BSPT 3/4" 19mm SSMH 16/16 1"BSPT 1" 25mm SSMH 20/20 1 1/4"BSPT 11/4" 32mm SSMH 24/24 1 1/2"BSPT 11/2" 38mm SSMH 32/32 2"BSPT 2" 50mm