Self-Piercing Saddle Valve 1/4 in Tube O.D. Body Material Brass Temp Range -30 Degrees to 250 Degrees F Max Pressure 40 psi Includes Brass Fittings for 1/4 in OD Copper or Plastic Tubing Stainless Steel Pin Application For Use on 3/8 in to 1-3/8 in OD Cop