Ratchet wrench can be used in the narrow working space and fasten bolt and nut easily. It's special tool to solve another air tool can not solve problems.
Take out : First, please use hand to loose bolt then push switch lever
Lock : Push switch lever to set bolt then using hand to lock.
AOP-RW10172 : 1/4"
AOP-RW10173 : 3/8" - rear exhaust
Specification (air pressure at 90PSI, 6.2Bar, 6.3kg/cm2)