Mountain MTN91009404 Air Hose (3/8" x 12' Blue Reinforced Poly Urethane Re-Coil) Coil retracts for easy storage of hose, keeping work area uncluttered 6 pigtail on male swivel connection end, 18 pigtail on male solid tool end Tails on tool and connection end for comfort and ease when using 1/4" MPT M x MS reusable ends, allows for field repair or modification of hose length for application