Feature 1Applicable Model: Behind seat speaker brackets is replacement for C10 19731987, please confirm whether your model is applicable before buying. 2Robust Material: The speaker bracket is made of steel and is powder coated matte black, high strength, making it resistant to rust and ensuring that it can withstand rain, snow, and other harsh weather conditions. 3Easy Installation: 6x9 opening required, this speaker bracket can be installed easily in the corner of your cab. Whether you're a DIY enthusiast or a professional, installation is quick and simple. 4Versatile Mounting: The speaker bracket can be installed directly using bolts or double sided tape. There's no need to cut your c10 to mount the speaker. 5Enhanced Sound: This speaker bracket provides a stable, secure platform for the speakers, it enhances the overall sound output for an immersive listening experience. Item Type: Behind Seat Speaker Brackets Material: Steel Compatibility: Fits 6x9inch speakers Fitment: Fit for C10 1973-1987 Package List 2 x Behind Seat Speaker Brackets