The bottom hole distance is 44mm, and the bottom hole can be installed in the position of 3.5mm hard drive in the chassis. (Please carefully measure the hole spacing of the hard drive in your case. It must be exactly the same as the hole at the bottom of the hard drive before it can be installed)
The distance between screw holes on the upper and lower layers:3cm
This bracket has no partitions, and the hard disk is installed directly on the side panel.
This link does not include hard drives, only brackets.

Name:2-layer L-shaped hard drive bracket
Features:Hard drive storage and storage, beautiful and tidy, with screw holes at the bottom, can be installed on the chassis
Hard drive:2/3 3.5-inch hard drives available
Fan:can install 1 5010 fan
Colour:Black
Material:Metal
Size:Dimensions after installing the hard disk:146 (length) x103 (width) x62 (height) mm; Single side size:146mmx62mm; The width of the L-shaped protruding part is 15mm

Package Contents:
2 * brackets
1 * fan with mounting screws