ORICO Tool Free Stainless Steel Internal Hard Disk Drive Holder, 5.25 inch to 3.5 inch SATA Hard Drive HDD Converter HDD Mobile Rack for 5.25" CD-ROM Slot - Black (1109SS) Quickly and Easily install or remove hard drives without having to open the chassis with the innovative trayless design. Tool Free allow to Mount 3.5 - inch SATA Hard Drive to 5.25 Bay in Three Second. Ready for Hot Swapping ,Plug & Play with Lossless Transmission Speed. Power Control Switch included allow to turn off Drive for Energy Saving and Safe Removing. What is in the box:1 x ORICO Internal Hard Disk Drive Holder,8 x Mounting Screws,1 x Safety Locking Key,1 x User Manual,1 x Service Card; 18 Months warranty and lifetime technical support for purchase via ORICO direct store.