Description:

User Guide
Pull out the rotatable bar, a latche beside the handle can avoid the rotatable bar shrink automatically.
 Put the screw, nut and gasket in two tube sheath ( a magnet in tube sheath abovewhich can catch up the screw and gasket ).
 Aim the spaner to the air - conditioner then screw hole in the comer, then rotate the rotatable bar it will shrink automatically. You can operate it now.

Note:

1,heated high strength tube sheath can screw out rusty screws and nuts. 
 2,the spring in the steel tube make the rotatable bar shrink automatically and impack the screw and nut. it will easier to operate.
3,this tool avoid danger from traditional operare mathod. The operation need not install or take down a air - conditioner climb outside a building, the work can be finished inside.