ITEM NAME:DIY 2.5 to 3.5 Adapter Bracket SSD HDD Notebook Mounting Tray Caddy Bay Post H7.Fit any 2.5" HDD or SSD into your existing 3.5" Drive Bay. No screws required to install SSD into adapter. Suitable for any standard PC'S case. hope you could understand. High quality in E U and US quality standard.