Coilhose Pneumatics N14-25B Coiled Nylon Air Hose, 1/4-Inch ID, 25-Foot Length with (2) 1/4-Inch Swivel Fittings Pigtail-style 1/4"-inner diameter coiled air (pneumatic) hose for use with air tools in indoor or outdoor applications Nylon resin construction resists abrasion and has low moisture absorption Male NPT swivel ends to reduce hose twisting and attach to female NPT end connectors Steel spring guards provide strain relief at connections Brass compression fittings, tube inserts, and ferrules for durability