Merit Brass - Brass Pipe Nipple: Threaded on Both Ends, 1-3/4″ OAL, 1-1/2″ NPT - 02204477 - MSC Industrial Supply
Breezliy 8PCS Metals Brass Pipe Fitting, Hex Nipple Brass Tone,4pcs 1/4 x 1/4 NPT Male Thread Pipe,4pcs 1/4Inch x 1/4Inch NPT Female Thread Pipe
9 Pcs 9 Sizes Brass Round Tube Set, 2mm 2.5mm 3mm 3.5mm 4mm 5mm 6mm 8mm 9mm OD x 0.5mm Wall Thickness 300mm Length High Strength Seamless Straight