DSLRKIT 6/32 #6-32 x 1/4" Flat Head Screw for 3.5" Hard Drive Hot Swap Caddy TRAY (pack of 50) High Quality Flat Head #6-32, 1/4" Screws These are used for fastening and mounting 3.5" Hard Drive hot swap Caddy TRAY Thread size: 6-32; Length: 1/4"; Head Type: Flat; Drive: Phillips; Material: Steel; Finish: Nickel Plated Item Included: #6-32 x 6mm(1/4") Flat Head Screws x50pcs