Transparent Polyurethane hose with dacron polyester inner braid r einforcement. Most flexible user -friendly air hose on the market. Low wear, less resistance to movement than traditional air hoses, natural ly flexible, easy to coil. Extr emely abrasion r esistant, UV stabilized. Temperature range: 40º F to 165º F. 1/4" male pipe thread both ends. Blue, 1/4" ID x 50'