Inflates or deflates two tyres simultaneously, equalising pressure between the two tyres automatically once connected. Includes a 700kpa/100psi aluminium combination gauge. Two (2), 3m abrasion and ozone resistant, air hoses can withstand pressures of up to 2000kpa(300psi) and temperatures of -10 C to +60 C. Patented dump valve system allows for quick and easy inflation, deflation and equalisation of two tyres. Simply and safely connects to your tyre valves via clip on chucks. Easily stored in a strong and durable carry bag.