The Dell V81C6-RFB 2.5 M*20 Series Blade SAS/SATA caddy is a drive carrier for a 2.5-inch SAS or SATA drive in the M*20 Series Blade range. Its exact part number is V81C6-RFB, with 0V81C6-RFB listed as a replacement reference.
The listing specifies that screws are included, giving you the stated hardware alongside the carrier. This part is intended for fitting a 2.5-inch drive in the named blade-server series; the source does not specify individual server models or other compatibility details.