Straight connectors, tees, elbows, crosses, and couplings are available from 1/16 to 1/2-in. ID tube with threads of 10-32 UNF through 1/2 NPT and metric M3, M5, and M6. Materials include electroless nickel-plated brass, stainless steel, and aluminum. Recommended for use with polyurethane tubing, the precision-machined barbs ensure permanent tubing installation without clamps.