The patented Uniweld forged brass body in manufactured with reseatable Teflon® valve stem packing for durability and leakproof reliability. This user-friendly, accurate, manifold features: Limited Pointer Flutter® 2-1/2″ easy-to-read gauges with color-coded refrigerant scales and color-coded gauge boots Metal (not plastic) hand wheels Extended valve stems for ample knuckle clearance Quick action valve assembly for 1/2 turn fully open or fully closed Convenient 45° front hose holders High-Pressure Soft Magic® Barrier Hoses