High Quality Materials: This Socket Adapter Kit Is Made Of High Quality Chrome Molybdenum Steel With Heat Treatment, Which Makes It Corrosion And Rust Resistant To Provide You With Maximum Durability. Br>Included Components: This Adapter Set Consists Of 8 Different Size Tools From 1" To 3/4", 3/4" To 1/2", 1/2" To 3/8", 3 /8" To 1/4", 1/4" To 3/8", 3/8" To 1/2", 1/2" To 3/4", 3/4" To 1" To Meet Your Various Needs. Scope Of Application: This Socket Adapter Set Is Suitable For Multiple Occasions Like Home, Workshop, Garage, Factory, Diy, Etc. And Hardened And Tempered, It Can Serve As A Professional Tool For Commercial Or Occasional Use. Storage And Transport: This Socket Adapter Set Is Well Packed And Well Organized In A Storage Box, Which Makes You Makes It Easy To Store And Transport. And The Size Of Each Plug Is Printed On The Body Of The Plug Itself, Making It Easy To Identify Them After Removing A Handful Of Them From The Case. After Sales Service: We Ship This Item To You From Europe , You Can Receive It In A Timely Manner. Do Not Hesitate To Send Us Your Questions And Concerns. Our Customer Service Team Will Respond To You Within 24 Hours (Except Weekends).