1. This relay socket is compatible with the FB-15T relay box featuring 15 slots. 2. These sockets accommodate both 4-pin and 5-pin universal relays. 3. Modular design allows these bases to be freely arranged, ideal for DIY enthusiasts. 4. Constructed from premium flame-retardant nylon for durability, safety, and robust overall construction. 5. Weight: Approx. 60g.
