Package Include:2 x 2.5' to 3.5' Metal Mounting Adapter Bracket,16 x Screw. 2.5' to 3.5' Internal Hard Disk Drive Mounting Bracket Kit: Mount any 2.5' hard drive into a 3.5' drive bay Compatible with all types of 2.5' hard drive Quick and easy installation For use in 3.5' internal drive bays Includes screw pack to mount drive