AlphaMoto Motorcycle Air Shock Pump with gauge Harley Davidson Honda Kawasaki Suzuki Yamaha The listing is for one Air shock pump It can be used on Harley touring Dresser bagger or any motorcycle with air shocks, it also can be used on bicycles. gauge is made of die case, face dia: 1.5" , reads 0-60 psi (also 100xkPa) , 4.1 Maximum Bar Reading 2 PSI Increments overall length is about 9"