Features: 1.The socket wrench sets is easy to install, quick release & security lock design,1/2 inch square female to 1/4 inch hex female socket adapter 2.Convert any air or power impact wrench into a drill or ratcheting wrench into a driver with this single piece chuck converter 3.Quick-release mechanism allows for easy, one-handed swapping between bits while working 4.The hex shark wrench socket adapter is small in size and easy to carry in the tool kit,It can be changed at any for time to make the work faster 5.We have perfect after-sales service.If your wrench socket organizer was broken or you got a defective, please don`t hesitate contact our customer service team, they will serve you enthusiastically Specifications: Material: Steel Size: Approx. 51x6.35mm/2.01x0.25inch Color: Black Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you place order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 Set Electric Spanner Adapter