1/4" air hose repair kit. Ideal for repairs in the field. Kit includes: (1) 1/4" female air chuck, (1) 1/4" NPT (National Pipe Taper) x 1/4" ID (inside diameter) male hose end, (1) 1/4" ID hose mender, 3 hose clamps for 5/8" OD (outside diameter) hose.