Features:Fit for 3.5" Floppy Drive, 5.25" Outside SizeTotal Size: 15 x 14 x 4.3cm / 5.9" x 5.5" x 1.7" (L*W*H)Color: BlackMaterial: Plastic, MetalNet Weight: 71gPackage Includes:1 x 3.5" to 5.25" Drive Bay Computer Case Adapter Mounting Bracket USB Hub Floppy . Note: This item includes 3.5" to 5.25" driver bay adapter mounting bracket only. The usb bracket in the first photo is for demonstration how to use this adapter. The usb bracket is not included.