●? Raise and lower scissors jacks more quickly and easily using power drill torque to raise/lower jacks. ●? Works on both 19mm or 3/4" Hex Head Scissor Jack RV Trailer Stabilizers. ●? Reduces time and effort to raise or lower your scissor jacks. ●? Constructed of heavy duty. 1-year replacement warranty. ●? 2pcs in a package.