RW RoutersWholesale Compatible/Replacement for Cisco 2950 Series Catalyst Switches fits 19", 23", or 24" equipment rack depending on the way you attach the bracket. This is the transformer of rack mount kits. It's really that cool. This kit includes two brackets and all the screws you need to attach this kit to your switch. This rack kit fits the following models: WS-C2950-12 WS-C2950-24 WS-C2950-24C WS-C2950G-12-EI WS-C2950G-24-EI WS-C2950G-24-EI-DC WS-C2950G-48-EI WS-C2950T-24 WS-C2950T-48-SI WS-C2950SX-24 WS-C2950SX-48-SI Possibly will fit other 1RU units ...