Description: Premium Material: The Trailer Jack Electric Drill Adapter is made from Stainless Steel, rustproof, and not easy to deform, ensuring wear resistance, durability, and long term useSpecification: The shaft hole of this trailer jack drill adapter is 26mm, and comes with a 1/2in drive socket adapter bitCompatibility: This trailer jack drill adapter kit only fits 1 inch jack drive shaftsEasy To Use: Put the adapter directly on the 1 inch jack drive shaft and secure it, then drive it with an electric drill; You can also drive it with a 1/2in ratchet or brake bar; fast and convenient, saving time and effortPackage Included: 1 Trailer Jack Electric Drill Adapter, 2 Gaskets, 1 Bolt, 1 Nyloc Nut, 1 Drive Socket Adapter Bit(As The Picture Shows); Please check the product information carefully before placing an order Size Chart: Package Size: 13.7cmx5.5cmx5.5cm/5.39inchx2.17inchx2.17inch Package Includes: 1 Trailer Jack Electric Drill Adapter, 2 Gaskets, 1 Bolt, 1 Nyloc Nut, 1 Drive Socket Adapter Bit(As The Picture Shows) Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.