Driver V Advanced unit- does most of your helper's back-paining jobs, Our spring latch holds tee-posts secure up in the barrel. Quick release tee-post by lifting back up with tractor hydr. Driver V has a built in directional swivel just below the head attachment that aides in ailgnment. Our side-mount bracket doesn't work because of the protruding spring box which would restrict your alignment. Driver V must be attached off the loader's cutting edge with our Front-Clamp or by some other means. The thickness of your loader's cutting edge is needed to order from our Front-Clamps section. Driver V is applicable to all known Farm & Ranch tee-posts modles.saving you time and your money.