Kuri Tec ether-based polyurethane self-store coiled tubing assembly for air tool service is silicone-free. Permanent crimped male swivel brass fittings provide greater strength and pull-out resistance. Heat shrink tubing over fittings prevents scratches and scuffs. Good resistance to hydrolysis and algae growth in warm water applications. Assembly line air tools and work stations, automotive repair and body shops, transfer of air, fluids and chemicals, car wash soap dispensers and is not recommended for transfer of brake fluids. Working pressure: 125 psi at 70 degrees F and 75 psi at 122 degrees F. 2-inches coil OD.