XYK1034: Features: -Close nipple. -Low lead. -Fair vibration resistance. -1 Piece construction. -Used with brass or steel pipe. -Used in low to medium pressure applications. -Tape or pipe sealant is recommended. -Pipe threads should be tightened 2.5 turns past finger tight. Specifications: -Small diameter: 0.25. -Medium diameter: 0.38. -Large diameter: 0.5. -Extra large diameter: 0.75.