This is a 20 ft. roll of 5 mm. OD air line for your Yukon Zip Locker, older ARB locker, or other air powered equipment. Direct fit for all 5mm Yukon & ARB compression fittings and 

Note: ARB has recently switched from a 5 mm to a 6 mm air line for all air lockers. Please check compatibility with your equipment before ordering. 

5mm OD x 3mm ID x 6.1m (20ft)