60 cm long compressed air hose for the tool. The hose has an R 1/4” (BSPT) male thread and an XF quick coupling. Helps reduce vibration and the risk of injury from possible hose/fitting breakage. Hose diameter inside/outside: 10 mm (3/8) / 17 mm. Max working pressure 21 bar. burst pressure 63 bar (3:1 safety factor). Conforms to standards: ISO 4414:2010 & ISO 6150:2018.