Fangrui Product Details [stainless Steel Material]our Cordless Drill Adapter Is Made Of High Quality Stainless Steel, Which Has Excellent Wear Resistance And Corrosion Resistance. Compared With Aluminum Alloy, Stainless Steel Has Higher Hardness, Is Not Easy To Deform, And Is More Robust And Durable. [fit For]this Cordless Drill Adapter Kit Fits For Top Wind Trailer Jack Crank Handle. [specification]the Shaft Hole Of This Cordless Drill Adapter Is 1/2in And The Thru Hole Is 1/4in. It Works With A 1/2in Drive Socket Adapter. This Cordless Drill Adapter Can Also Work With A 1/2in Driver Ratchet Or Bresker Bar. [easy To Use]this Cordless Drill Adapter Is Manufactured To Meet Specifications For Fit, Form And Function. Put It Directly On The 1/2in Shaft And Secure It, Then Drive It With An Electric Drill. It Is Fast And Convenient, Saving Both Time And Energy. Colour: Silver Material:metal Package Contents: 1 X Cordless Drill Adapter 2 X Gaskets 1 X Bolt 1 X Nyloc Nut 1 X Drive Socket Adapter Only The Above Package Content, Other