Feature：
The trailer jack adapter is made of High hardness materials, not easy to deformed.
The cordless drill adapter is for replacing your top wind trailer jack crank handle Curt 28921 (as well as others with 1/2" shaft) .
After installing the trailer jack drill adapter, bid farewell to the manual lifting jack and only need the electric drill.
Easy to install the trailer handle adapter and can also be disassembled at any time.
In addition to the crank handle adapter, it also comes with a 3/8" socket adapter.