Brand: Rosewill.

Model/part number on box label: RSV-RL26HV2 with description text Sliding Rail and barcode number 16132131032600442; UPC: 840951137567.

Item: Server rack-mount sliding rail mount hardware kit designed to install a compatible Rosewill rackmount chassis into a four-post server rack.

User manual heading reads Rosewill Server Rack-mount Sliding Rail Kit RSV-RL26HV2 REV: RL26HV2-V2 User Manual, with illustrated steps for installing the slide rail and engaging the L-brackets on standard rack uprights.

Construction and materials: Pair of long heavy-gauge steel slide rails and four shorter steel L-brackets, each with elongated slots and mounting holes for depth adjustment, finished in a silver metal color.

Function: Provides adjustable sliding support for a rackmount server so the chassis can extend from the rack for service while remaining guided and supported by the rails.

Documentation details: Kit Contents section in the manual lists L-bracket 4 pcs, Slide Rail 2 pcs, and an M/B screw pack, along with diagrams labeling each part.

Included components: Two long sliding rail assemblies, four L-brackets, Rosewill printed user manual, and the original labeled cardboard box.