I gotten this to only shuck the HDD out. Looks used and the mechanic still works including the LED status reflector. The caddy supports both 3.5" SATA or 3.5" SAS drives. Each unit comes with x4 screws. Caddy is designed to be used with certain Dell Poweredge or Dell Powervault systems. Please do your research before buying this as I don't accept returns or refunds. All Sales final, no warranties, no returns, no guarantees. Unit's Content: x1 Dell F238F Caddy x4 HDD Screws International Shipping: International buyers are responsible for any import duty, customs or related. I will not cover any of it!